BS 5467-1989

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msoBritish Ctanards Instinition.No part of t h i s publication may ?e phatocoped w otherwise reproducedwithout me prior permission in writing of BSI

British Standard Specification forCables with thermosetting insulation forelectricity supply for rated voltages of up to andincluding600/1 O00 V and up to and including1900/3300 V

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Cbles d'alimentation isolationthermodurcissable pour tensions assignesd e 600/1000 e t de 1900/3300 - SpcificationsStromkabel mit Wrmebestndiger isolieru ngf r Spannungen von 600 V - 1000 V und1900 V - 3300 V

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BS 5467 : 1989

Foreword

This revision of BS 5467 has been prepared under thedirection of the General Electrotechnical EngineeringStandards Policy Committee. I t supersedes the 1977 editionwhich i s withdrawn. This revision has been prepared t osatisfy the requirements for cables having thermosettinginsulation for electricity supply for the rated voltages ofup to and including 600/1000 V and up to and including1900/3300 V. T h e range of armoured cables has beenextended to include smaller and larger conductor sizes.Unarmoured 600/1000 V cables and multicore auxiliary600/1000 V cableswith steel wire armour are now included.This British Standard takes account of the conductorrequirements given in BS 6360 : 1981 'Specification forconductors in insulated cables and cords', which has beenrevised so as to align with I EC PublicaGon 228, publishedby the International Electrotechnical Commission ( IEC) .The dimensions, requirements and t e s t methods closelyfollow those given in IEC Publications 502 and 811 .In addition, a spark test on cores and oversheath i s included.T h i s does not appear in the IEC Publications as no inter-national agreement has yet been reached on this test.Attention i s drawn to the recommendations for theselection and operation, and installation of cables givenin appendices A and B.Product cenificarion Users of this British Standard areadvised to consider the desirability of third party certifi-cation of product conformity with this British Standardbased on testing and continuing surveillance, which maybe coupled with assessment of a supplier's quality systemsagainst the appropriate Part of BS 5750.Enquiries as to the availability of third party certificationschemes wil l be forwarded by BSI to the Association ofCertif ication Bodies.Compliance with a British Standard does not of itselfconfer immunity from legal obligations.

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Contents

ForewordCom mittees res pons bleSpecification

1 Scope2 Definitions3 Voltage designation4 Conductors5 Insulation6 Thickness of insulation7 Identification of cores8 Layingup9 Bedding10 Thickness of bedding

11 Armour12 Oversheath13 Thickness of oversheath14 Marking and end sealing15 Schedule of tests16 Test conditions17 Routine tests18 Regular sample tests19 Special sample tes ts20 Type test

PageInside front cover

Back cover

AppendicesA Recommendations for the selection and

operation of cables specified in t h e standardB Recommendations for t h e installation of cablesspecified in the standardC Resistance of conductor and armour,and armour cross-sectionalareasD Information required with enquiry and orderE Guide to use

Tables1 Ident ification of cores2 Armour wire diameters3 Mass of zinc coating4 Embossing of oversheath5 Schedule of tes t requirements6 Routine tests7 T e s t voltage on complete cables8 Temperature correction factors9 Compatibility tes t requirements

A

10 Single-core 600/1000 V cables with strandedcopper conductors

11 Single-core 600/1000 V cables with solidaluminium conductors

12 Two-core 600/1000 V cables wi th copperconductors

13 Two-core 600/1000 V cables wi th solidaluminium conductors

14 Three-core 600/1000 V cables with capperconductors

15 Three-core 600/1000 V cables wi th solidaluminium conductors

16 Four-core 600/1000 V cables wi th copperconductors

222223333344455577789

22222424

10111213141516

17 Four-core 60/1000 V cables with solidaluminium conductors

18 Four-core 60/1000 V cables wi th reducedneutral conductor and with stranded copperconductors

19 Single-core 1900/3300 V armoured cables withstranded copper conductors

20 Single-core 1900/3300 V armoured cables withsolid aluminium conductors

21 Three-core 1900/3300 V armoured cables withstranded copper conductors22 Three-core 1900/3300 V armoured cables wi thsolid aluminium conductors

23 600/1000 V armoured auxiliary cables withstranded copper conductors

24 Selection of cables fo r a.c. systems25 Minimum installation radius26 Test voltages af ter installation27 Maximum resistance of conductor and armour

for single-core cables having aluminium wirearmour

28 Maximum resistance of conductor and armourfor WO-, three- and four-core cables havingsteel wire armour29 Maximum resistance of conductor and armourfor single-core cables having solid aluminiumconductors and aluminium strip armour

30 Maximum resistance of conductor and armourfor WO-, three- and four-core cables havingsolid aluminium conductors and aluminiumstrip armour31 Maximum resistance of conductor and armourfor 600/1000 V auxiliary cables with copperconductors

32 Gross cross-sectional areas of armour wiresfor single-core 600/1000 V cables havingaluminium wire armour

33 Gross cross-sectional area of armour wiresfor two-, three- and four-core 600/1000 Vcables having steel wire armour34 Gross cross-sectional area of aluminium striparmour for single-, two-, three- and four-core600/1000 V cables with solid aluminiumconductors

35 Gross cross-sectional area of armour wiresfor 600/1000 V auxiliary cables with copperconductors

Page

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181920

202021202324

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2627

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BS 5467 : 1989

Specification

1 ScopeThis British Standard specifies requirements anddimensions for cables with thermosetting insulation foroperation a t rated voltages of up to and including6 0 0 / 1 ~ 0 and up to and including 1900/3300 .The insulation and other components are suitable topermit operation of the cables a t a maximum sustainedconductor temperature of 90 C.NOTE 1 . Limitat ion on t h e temperature of the cables may b eimposed in situations where they may be toui hed.NOTE 2. Due to t he relatively high conduct or temperature, therei sa risk of dryi ng out the surrounding soil causing an increase inthermal resistivity whic h in turn wou ld lead t o the cable tempera-tur e rising t o a higher value than anticipated. For cable laid directin the ground, a suitable de-rati ng factor shouldbe applied or alower maximum sustained conductor operating temperatureassumed to take in to account possible soil drying out effects.NOTE 3. n installations which include cable joints and termina-tions, t he performance of these accessories should be taken i nt oaccount in deciding the maxim um operating temperature of t h ecable.T h e cables included in the standard are as follows.

(a) 600/1000 V:(1) single-, mo- , hree- and four-core copperconductor:

(i) narmoured, sheathed;(i)wire armoured, sheathed;(2)single-, two-,hree- and four-core solid

aluminium conductor:(i) narmoured, sheathed;(i) ire armoured, sheathed;(i ii ) aluminium strip-armoured, sheathed;

(i) unarmoured, sheathed;(ii) wire armoured, sheathed;(i ii) alumin ium strip-armoured, sheathed;

(3) single-core solid sectoral aluminium conductor:

(4) multicore auxiliary copper conductor:(i) ire armoured, sheathed;(b) 1900/3300 V:

(1 single- and three-core copper conductor:(i ) wire armoured, sheathed;

(2) single- and three-core solid aluminium conductor(i ) wire armoured, sheathed;(i) aluminium strip armoured, sheathed;

(3) single-core solid sectoral aluminium conductor:(i)ire armoured, sheathed;(i)luminium strip armoured, sheathed.

NOTE 4. The t i t l e s of publications referred to in t his standard arelisted on the inside back cover.

2 DefinitionsFor the purposes of this British Standard the followingdefinitions apply, together with those given in BS 4727 :Par t 2 : Group 08.2.1 rated voltage, U,. The nominal power-frequencyvoltage between conductor(s)and armour or earth,for which the cable i s suitable.2.2 rated voltage, U.The nominal power-frequency voltagebetween phase conductors for which the cable is suitable.2.3 maximum voltage, U The maximum sustainedpower frequency voltage between phase conductors,for which the cable i s suitable.2.4 nominal value. The value by which a quantity i sdesignated and which i s often used in tables. Usually,in this standard, nominal values give rise to values to bechecked by measurements taking into account specifiedtolerances.2.5 approximate value. A value which i s only indicative.In this standard, values described as 'approximate' do notconstitute requirements to be checked by measurements.

3 Voltage designationThe cables shall be designated by he rated voltages U,,and U, expressed in the form U /U.The rated voltages recognized for the purposes of thisBritish Standard are 600/1000 V and 1900/3300 .The maximum designated voltages U,) or the.purpose ofthis standard for 600/1000 V and 1900/3300 V cables arerecognized as 1100V and 3600 V respectively.NOTE. Guidance on the selection o f cableso f appropriate voltagedesignations for particular svstems is given inA.Z.

4 ConductorsThe conductors shall be either annealed copper or solidaluminium, as indicated in tables 10 to 23 nclusive andshall comply with the requirements of table 5 and BS 6360.NOTE. In some cables copper conductors are tinned.The conductors shail be circular, circular sectoral or shapedsolid (Class 1 , or circular, circular compacted or shapedstranded (Class 2). as indicated for the type and ratedvoltage of the cable in tables 10 to 23 inclusive.

.

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STD-BSI B S Sqb7-ENGL 1989 1b2LIbb7 0 5 7 5 b 5 1 377BS 5467 : 1989

Number of cores

Single-coreTwo-coreThree-coreFour-coreAuxiliary cables

5 Insulation

Identification

Red or blackRed, blackRed, yellow, blueRed, yellow, blue, black1 ,2 ,3 ,4 ,5 ,6 ,7 ..upwards

T h e insulation shall be either cross-linked polyethylene(GP8) or ethylene propylene rubber (GP6)complying withthe appropriate requirements of table 5 and BS 6899.T h e insulation shall be applied by the extrusion processand cross-linked to form a compact and homogeneouslayer.NOTE. A protective barrier between the conductor and theinsulation andlor over the insulation is included in some cables.The insulation shall meet the compat ibility t e s t require-ments of 20.1.The core insulation shall comply with the requirementsfor spark testing specified in BS 5099,when tested inaccordance with t h a t standard.

6 Thickness of insulationThe thickness of insulation, determined by taking theaverage of a number of measurements as specified in 18.1,shall be not less than the value given in he appropriatetable and the smallest of the measured values shall notfall below the value given in the table by more than(10 % + 0.1 mm).

7 Identificationof cores

Numbers shall be printed in a colour contrasting with theinsulation.The colour or the number used for core identificationshall be clearly identifiable and durable. Compliance ofdurability shall be checked by rubbing the core lightly10 times with a piece of cotton wool or c loth soaked inwater.The height of the individual numbers shall be not lessthan 1.5 mm.The spacing shall be such that each number is repeated a tintervals not greater than 70 mm.Compliance shall be checked by visual examination andmeasurement.

8 LayingupThe cores of cables having two or more cores up to andincluding seven cores shall be laid up with a right hand,or alternating left and right hand, direction of lay in thesequence of the core numbers or colours. Where necessary.fillers of synthetic material shall be used to form a compactand reasonably circular cable. These may be appliedintegrally with the bedding of armoured cable or the sheathof unarmoured cable. For multicore auxiliary cables havingmore than seven cores the direction of lay shall alternatefor each successive l a fer.It shall be possible to remove the bedding and/or fillersfrom the cable without damaging the insulation of thecore(s).NOTE. In some cable connruc tions synthetic binder tape isapplied over the laid up cores.The suitability of the synthet ic binder tape(s) and fillersshall be determined by compliance with the compat ibilityt e s t given in 20.1.

9 Bedding9.1 GeneralArmoured cables shall have a bedding which shall becompatible with the insulating material as determined bycompliance wi th the compatibility t e s t given in 20.1.9.2 Single core cablesT h e bedding of armoured 600/1000 cables shall consistof an extruded layer of polymeric compound having atensile strength of not less than 4 N/mm2 and elongationa t break not less than 50 %. The bedding of 1900/3300 Vcables shal l consist of an extruded layer of Type 9 PVCcompound complying with the requirements of table 5and BS 6746.9.3 Multicore cablesT h e bedding of armoured 6OO/lOOOV cables shall consistof either:

(a) an extruded layer of polymeric compound having atensile strength of no t less than 4 N/mm2 and elongationa t break not less than 50 %; or(b) for cables having nominal conductor area of 16 mm2and above, a taped bedding (as indicated in the relevanttables) comprising two or more layers of PVC tape orother synthetic tape complying wi th the requirementsof 9.4.

The bedding of 1900/3300 V cables shall consist of anextruded layer of Type 9 PVC compound complying withthe requirements of tab legand BS 6746. A

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BS 5467 : 1989

Nominal diameterof armourwire( in mm)Minimum masfof zinccoating( in g/m2)

9.4 Taped beddingWhen taped bedding s used for s o O l O O O V cables, it shallbe applied so that any gaps between adjacent edges of eacht ape are not coincident through the thickness of thebeddingIf there i s a gap between adjacent edges of each tape,it shall no t exceed 15 %of he tape width, as determinedby measurement in accordance with 18.2. 0.9 1.25 1.6 2.0 2.5 3.15

112 150 172 180 195 2061O Thicknessof bedding

Nominal wim diameter

The minimum thickness of extruded bedding measured inaccordance with 18.1 shall not fall below the value givenin the appropriate table by an amount more than(15 % +0.1 mm).The thickness of taped bedding (approximately0.8 mm)need not be checked by measurement.

Wim diameterMinimum Maximum

11 Armour

mm0.851.181.511.902.37

~ 2.99

11.1 GeneralWhen armouring s required, the armour shall consist of asingle layer of wires or aluminium strips having nominaldimensions as given in tables 10 to 23 as appropriate.The armour shall be applied helically with a left-hand layfo r cables having up to and includingseven cores. For multi -core auxiliary cables having more than seven cores,the direction of lay shall be opposite to t h a t of the finallayer of cores.NOTE. In some cable constructions binder tapesl is appliedbetween th e armou r and the oversheath.11.2 Wire armourWire armour for cables having two or more coresshall consist of a single layer of galvanized steel wires.Wire armour for single core cables shall consist of a singlelayer of aluminium wires.The armour wire shall comply with the followingrequirements.

(a) T h e diameter of the round armour wires, whethergalvanized steel or plain aluminium, determined inaccordance with 19.1, shall fall within the minimumand the maximum wire diameters specified in table 2.1 Table 2. Armour wire diameters

mmo 91.251.62.o2.53.15

mm0.951.321.692.102.633.31

(b) The mass of zinc coating of galvanized steel armourwire, determined in accordance with 19.3, shall notbe less than that given in table 3.

(c) The mechanical characteristics of the galvanizedarmour wires shall be such that when subjected to thewrapping t e s t given in 19.4, none of the wires shal lbreak.(d) The tensile strength of aluminium armour wires,when tested in accordance with 19.5, shall not be lessthan 125 N/mmz.

11.3 Aluminium strip armourThe thickness and width of strips of aluminium armour,determined in accordance with 19.2, shall no t differ fromthe values specified in the appropriate table by morethan 10%.The tensile strength of strips of aluminium armour,when tested in accordance with 19.5, shall not be lessthan 145 N/mmz.11.4 JointsJoints in steel wire armour shall be brazed or welded andany surface irregularity removed.Joints in aluminium wire or strip shall be made by coldpressure or fusion welding and al l surface irregularitiesremoved.A jo int in any wire or strip shall not be less than 1 m fromthe nearest joint in any other armour wire or s trip in thecomplete cable.

,i

11.5 Armour resistanceThe d.c. resistance of the armour of the complete cable,measured and corrected to 20 OC n accordance with 18.3,shall not exceed the appropriate value given in tables 27to 31.

12 OversheathThe oversheath of unarmoured or armoured cable shall bean extruded layer of P V C complying with the appropriaterequirements of table 5 and B S 6746 for Type 9 compound.The oversheath shall meet the compatibility t e s t requirements of 20.1NOTE. Oversheaths are normall y bl ack. bu t colours o th er thanblack may be provided by agreement between the m anufactur er andpurchaser, subject to their suitability for the particular exposureconditions under which the mb es are t o be used.It shall be possible fo-rmove the oversheath of unarmouredcable without damaging the insulatcon of the c0rek..The oversheath of a l l armoured cables shall be spark-tested

A in accordance with Bs 5099.Copyright British Standards Institution



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~STD-BSI B S 54b7-ENGL L989 Lb24bb7 0 5 7 5 b 5 3 LLiT

13 Thickness of oversheath13.1 Unarmoured cableThe thickness of the oversheath on unarmoured cables,determined by taking the average of a number of measure-ments as described in 18.1, shall be not less than the valuegiven in the appropriate table and the smallest of themeasured values shall not f a l l below the value given inthe table by more than (15 % CO.1 mm).13.2 Armoured cableThe minimum thickness of the oversheath on armouredcables, measured in accordance with 18.1, shall not fallbelow the value given in the appropriate table by morethan (20% +0.2mm).

14 Marking and end sealing14.1 End markingThe ends of each factory length of cable having three ormore cores of conductor size 25 mm2 and above shall bemarked red or green. The end a t which the sequence ofcore colours, as given in clause 7, i s clockwise shall b emarked red and the other end shall be marked green.

4.2 External markingThe external surface of a l l cables complying with this3ritish Standard shall be legibly marked with the followingslements:iiementa) Electric cableb) Voltage designation

c ) British Standard numberd) Manufacturer's identificatione l Number of cores, type and

nominal area of conductor(1 Copper conductor cablesNOTE 1 .4 X 50 indicates a f our-corecable with 50 mm* copperconductors.

(2) Copper conductor cableswith reduced neutralNOTE 2. 3 X 50/25 indicates afour-core cable with three 50 min'copper phase conduct ors andone 25 mm' copper neutralconductor.(3) Aluminium conductorcablesNOTE 3 . 4 X 50 A L indicates afour core cable wit h 50 mm2aluminiu m conductors.

Example of markingELECTRIC CABLE60011O00 V3300 V60011000V A U XBS 5467X Y Z

4 X 50

4 X 5 0 A L

The marking of items (a) to (d) shall be by embossins o rindenting on the oversheath.For cables with tabulated approximate overall diametersabove 15 mm, items (a), (b) and (c) shall appear, i n anysequence that i s deemed to neither confuse nor conflict, ontwo or more primary lines along the ax is of the cable,approximately equally spaced around the circumference.Items (d) and (e) shall appear on either one of the primarylines, or a secondary line or lines. They can appear in anysequence that i s deemed to neither confuse nor conflict,and need not both be on the same line.

BS 5467 : 1989For cables with tabulated approximate overall diameters of ,&15 mm or smaller, the elements of marking shall be Idisposed as for cables above 15 mm except that themarking for items (a), (b l and cl shall appear on one ormore primary lines.The letters and figures shall consist of upright blockcharacters with a minimum height of 3 mm.The distance between the end of one element of markingand the beginning of the next identical element shall be notgreater than 550 mm, for items (a), (b) and (c), and notgreater than 1100 mm for items (d) and (e ) .Compliance shall be checked by visual examination andmeasurement.14.3 Identification of year of manufactureA means of identifying t h e year of manufacture shallbe provided throughout the length of the cable, eitherinternally or by marking on the surface.I f the identification i s internal the distance between the endof one mark and the beginning of the next mark shall benot greater than 550 mm.NOTE. As an alternative internal marking,.an identification threadmay be used.If the identification i s by marking on the surface it shallcomply with 14.2 (d) and e ) in respect of maximumdistance between marks.14.4 The mark o f an approval organizationI f the mark of an approval organization s used it shall beprovided throughout the length of the cable.If the mark i s applied to the cable it shall be on the surfacein the form of the symbol(s) specified by the approvalorganization, and shall comply with 14.2 (d) and (e) inrespect of maximum distance between marks.NOTE. As an alternative to the mark of th e approval organization.an ident ifi cati on thread m ay be incorporated i nt o th e cable, asspecified b y t he approval organization.14.5 Additional markingThe use of additional marking s permitted. Where suchmarking i s made it shall be throughout the length of thecable, and c a r be on the external surface of the cable, bymeans of a tape or thread within the cable, or by a combi-nat ion of these methods. I f the additional marking i sapplied t o the surface of the cable it shall not renderillegible the marking specified in 14.2 to 14.4.The addit ional marking, however made, shall be repeated a tinterwdx not exceedinq 1100 mm.'

14.6' End sealing . . *hBoth ends of every length of cable shall be sealed in sucha manner that it includes the oversheath.NOTE. One example of end sealing IS the use of close fittingplastic caps.

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~~ _____ ~

STD-BSI B S 5 4 b 7 - E N G L 1787 = 1b24bb7 0 5 7 5 b 5 4 O8bBS 5467 : 1989

15 Schedule of testsTests shal l be carr ie d out according to the schedules givenin table 5.Tab le 5 l i s t s t he comp le te range o f tes ts app l i cab le to t h ecables cove red by this s tandard and re fers to t he re levantclauses of t h e s tandard spec if y ing the requ i rements andtest methods. The f i n a l column indicates, by means of t h esymbo ls R , RS, SS a n d T, t he ca tegory o f each test .The categor ies and corresponding sy mbols are as fo l lows :

(a) outine re m RI. ests to b e m a de a t t h e m a n u -fac tu rer ' s works on al l cables in t he f i n i shed s ta te or,as approp r iate (e.g. spark test ) du r ing m anu factu re (seeclause 17).(b) Regular sample tests (R S i . T es ts t o b e ma d e a t t h emanufacturer 's works on represe ntative samples selectedregu la r l y by t h e m a n u f a c t u r e r . or as speci f ied by t h epurchaser a t th e t i m e o f o rder ing (see c lause 18).( c ) Special sample rests (SC). ests to b e ma d e onsamples if speci f ied by t h e p u rc h as e r a t t h e t i m e oforder ing a t a f requency agreed be tween the purchasera n d t h e m a n u f a ct u re r p r o v id e d t h a t t h e q u a n t i t yo rdered exceeds 10 km (see clause 19).( d ) Type tests ( T I . T es ts t o b e ma d e on specimens ofcables as p rod uced b y a spec i fi c ma nufac tu rer tod e mo n s t r a t e the manufac tu rer ' s ab i l i t y to sat is factor i lyp r o d u c e a range of cables designed to comply with t h er e q u ir e m e n ts o f this standard. These tests, af te r the yhave bee n successful ly comp leted, ne ed not be repeatedun less changes are made w h i ch m igh t a f fec t compl iancewith th e test req ui rem ents (see c lause 20).



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Table 5. Schedule of test requirements1Tert

Tests on componentsConductor constructionInsulation:

MaterialApplicationSpark testThickness

Core identif icationLaid up coresBedding:

Taped bedding gapsExtruded:

(a) Material characteristicsIb) Thickness

Armour:Wire armour -

(e) Diameter(b) Mass of zinc coat ing (galvanized s tee l wire only)CI Wrapping test (galvanized steel wire only(d) Tensile test (alum inium wire only)

Alumini um strip armour -(a) Dimensions of individual s t r i p s(b) Tensile test

Oversheath:MaterialThickness, unarmou red cableThickness, arm oured cableSpark test

Tesk on cample te cables

Cable markingsConductor resistance restArm our resistance testVoltage testCompatibility testTest f or flame p ropagat ion of single cable

2Requirement(clause)

4

555677 and 8

9.49.2 and 9.310

11.2 (a)1121b)11.2 (cl11.2(d)

11.311.3

1213.113.212

14

411.5 and tables17.35 and 1219.6

~3 ~Test method

8s 6360

8s 6469lBS 6899Visual examinationBS 509918.1 and BS 6469Visual examinationVisual examination

18.2

BS 646918s 674618.1 and BS 6469

19.119.319.419.5

19.219.5

BS 646918s 74618.1 and BS 646918.1 and BS64698s 5099

Visual examinationand measurement17.2 and BS 636018.317.320.1 and BS 6469BS 4066 Part 1

4Category

RS

TA SRRSR SR S

RSTR S

ssssssssssssTFISR SR

R

RRSRTss




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16 Test conditions

1Voltagedesignation

600/10001900/3300

16.1 A m b i e n t te mp e r a tu r eT e st s s h a ll b e ma d e a t a n a mb i e n t t e mp e r a t u r e o f20 f 15 C unless otherwise sp eci f ied in t h e de ta i ls fort he p ar t i cu la r tes t .

2 3Alternating test voltage (r.m.s.)Betweenco ndu no n and armourV V3500 350011250 6500

*Between conductors

16.2 F r e q u e n c y a n d w a v e f o r m of p o w e r f r e q u e n c ytest vol tagesUn less o therw ise spec if i ed in t he par t i cu la r tes t ,t h e f r e qu e n c y of t he a l te rna t ing vo ltages sha l l b e in t h erange 49 Hz to 61 Hz. The wav eform sha l l be subs tan tia l lys in usoidal .

C o n d u c t o r I 4resistance testVo l tage tes t on 17.3c o mp l e t e c a b le

17 Routinetests

17.2 a n dBS 636017.3

17.1 Genera lRo ut in e tests shal l be as given in t a b l e 6. I

The fo l l ow ing sub-c lauses g ive th e de ta i l s of t h e r o u t i n etests which are not f u l l y c o v e re d by the earl ier clausese i t h e r d i r e c t l y or bv approp r ia te re fe rence to o t h e r B r i t is hStandards.17.2 Conductor resistance testThe d.c. res istance of each cond uc tor s hal l be measuredin a c co r da n ce w i t h BS 6360. The resu l t s when cor rec tedto 20 C n accordance with BS 6360 shal l comply w i t ht h e r e q u i r e me n t s of t ha t s tandard .NOTE. The maxi mum resistance values for plai n annealed copperand alumin ium conductors are given i n tables 27 to 31 inclusivein appendix C.17.3 Vol tage tes t on comple te cab leThe c om ple te cable shal l be sub jec ted to t h e f o l lo w i n gv o lt a ge t e s t w i t h o u t i mme r s i o n in w a t e r a n d w h e n sot es ted the insu la t ion sha l l not b r e a k d o w n .F o r t h r e e - c o r e 1900/3300 V cables the tes t shal l e i ther bema de as a thre e phase test or as a single phase test at thed i s c r e t io n o f t h e ma n u f a ct u re r .Fo r a rm oured cab les, the vo l tage sha ll be a pp l ied be tweenc o n d u c t o r h ) a n d t h e a rm o u r, which sha l l b e ear thed .In add i t i on , fo r mu l t i - c ore cables , the vo l tage sha l l be

app l ied be tween each conduc tor and a l l t he remain ingc o n d u c t o r s .For un arm ou red cables, th e vol tage shal l be appl iedbetween conduc tors .T h e t e s t s h a l l b e ma d e a t r o o m t e mp e r a tu r e w i t h a nal te rna t ing vol tage. The vol tage shal l be increased gradual lya n d ma i n t a i n e d a t the fu l l value for 5 min.T he r.m.s. value of the test vol tage shal l be in accordancewith t ab le 7.

Table 7. Test vol tage on com plete cables

18 Regular sample testsNOTE. The regular sample tests for which full details are notalready given in the earlier clauses relate to t he measurement o fthe thicknesses, gaps between tapes of taped bedding and thearmour resistance test.18.1 Th ickness measurements of ex t ru ded layers18.1.1 Sampling. The m easurement o f th ickness ofi nsu la t ion , ex t ru ded bed d ing and oversheath l i s ted in t h eschedu le o f the tes t requ i rements ( tab le 5) shal l be madeon a sample taken from o n e e n d of e a c h d r u m l e n gt h ofcable selected for th e test, h aving discarded any portionw hi ch ma y have su f fe red damage.

Ifan y o f t he th icknesses measured does not c o mp l y witht h e r e q u i r e me n t s s p e c if ie d in clauses 10 a n d 13. t h e n twof u r the r samples sha l l be checked for t h e n o n - c o m p l i a n ti t e ms . I f both o f the fu r ther p ieces meet the speci f iedrequ i rem ents , the cab le i s deemed to c o m p l y . but i f e i therdoes not meet the requ i rements the cab le i s d e eme d n o tto c o m p l y .18.1.2 Test procedure. Measurements sha l l be m ade foreach component by t h e me t h o d s p e c if ie d in 2.1 o f 6s 6469exce pt th a t , as an a l te rna t ive to t he eq u ipme nt spec i fi edin BS 6469, it i s permissib le to use a cal ibrated han d lens.In case of doubt, however, the equ ipme nt spec if i ed inBS 6469 shal l be used. F or m ul t i - cor e cables, measurementof i nsu la t ion th i ckness sha l l be made on each core.Wh en d eter min ing a n average th ickness f r om severalmeasurem ents, the resul tant value shal l be rounded to0.1 mm (0.05 m r o u n d e d u p w a r ds ) .



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2

18.2 Me a s u r e me n t of gap betwee n tapes of t aped bedd ingThe gap b e twe en ad jacent edges of each bedd in g tapemeasured a t r i g h t ang les to t he tape, and the tape width,sha l l be m easured on a representat ive sample of able300 mm l ong , taken not less th an 150 mm from t h e endof a f a c t o r y l e n gt h .The measurements sha l l be made by sui table means inwhich t h e e r r o r o f d e t e r m i n a t i o n d oe s n o t e x c ee d 0.5mm.The gaps sha ll be measured a t four pos i ti ons , a t appro x i -ma t e l y 50 mm apar t , a long the leng th o f the sample .Th e average gap de te rmined from t he resu l t s shal l no te x c e e d t h e l imit speci f ied in 9.4.

3

18.3 Armour resistance test18.3.1 General. T h e d.c. resistance of t he a rm our sha l lb e d e t e r m i n e d by measur ing the resistance of a l l the a r mo u rw i r e s or s t r ips o f th e comple ted cable connec ted toge thera n d, w h e n c o r r e c t e d to 20 OC in accordance with 18.3.2,shal l not exceed t he approp r ia te values g iven in tables 27to 31 inc lus ive.18.3.2 Tempera ure correct ion factors. Temper a tu ec o r r e c t i o n mu l t i p l i c a t i o n fa c to r s, k,, for arm our resistanceto cor rec t th e measured res is tance a t t OC to 20 C reg iven in t a b l e 8.

19 Special sample testsNOTE. The foll owi ng are the details of t he special sample testswhim are not ful ly covered by he earlier clauses either directlyor bv appropriate reference t o other British Standards.

19.1 Me a s u r e me n t of d iameter of roundw i r e a r mo u rWhen spec i f ied by t h e purchaser, the a rm our w i re d iametersha l l b e measured . 10% of t h e t o t a l n u m b e r of wires shal lb e t a k e n a t r a n d o m from one sample of comp le ted cab lea n d t h e d i a m e t er of e ac h w i r e s h a ll b e d e t e r m i n e d w i t h am i c r o m e t e r by t a k i n g two measurements at r ig ht angles toeach o ther . Th e average of al l th e measurements shall bet a k e n as t h e w i r e d i a me t e r.19.2 Measurement of dimensions of a l u m i n i u m s t r i pa r m o u rW h e n s p e c i f i e d by t he purchaser, the th i ckness and w i d t hof t h e a l u m i n i u m strip arm our sha l l be measured. 10% o ft h e t o t a l n u m b e r of s t ri p s s h a ll b e t a k e n a t r a n d o m f r o mo n e s a mp l e of com ple ted cab le and the th i ckness and widthof each strip measured by us ing a d ia l m ic rom eter o r vern ie rcalI er.Th e average of al l th e measurements shal l be tak en as theth ickness and width of t h e strip as appropriate.

Table 8. T e mp e r a t u r e c o r r e c t i o n f a c to r s~~

1Temperature ofarmour at ti meo f mesrurement, t

OC5678910

1 1121314151617181920212223242526272829303132333435

Galvanized steelwire armour

1 .O721 .O671 .O621 .O571 .O521 .O471 .O421 .O371 .O331 .O281.O231.0181.0141 .o091 .O051 O000.9960.9910.9870.9820.9780.9740.9690.9650.9610.9570.9530.9490.9450.9410.937

Alumin ium wireor strip armour

1 .o641 .O591 .O551 .O501.O461.o421.O371.O331.O291.O251 .o201.0161 .o121 O081 .O041 .o000.996O.9920.9880.9840.9800.9770.9730.9690.9650.9620.9580.9540.950.9470.943

NOTE. The values o f co rrection factors k , are based on aresistance temperature coeff ici ent at 20 OC o f 0.0045per " C for galvanized steel wir e and 0.004 per OC foraluminium wire or strip.

19.3 Mass of z i n c c o a t i n g of galvanized steel w i r eW h e n s p e c i f i e d by t he purchaser , the mass of z i n c c o a t i n gof galvanized steel wi re sha l l b e measured. 10% of t h et o t a l n u m b e r of w i re s s h al l b e t a k e n a t r a n d o m from o n esample of com ple te d cab le and the mass sha l l be de te r -m i n e d by e i ther a g rav ime t r i c or gas vo lum et r i c m et ho d asspeci f ied in BS 443. he average of a l l the measurementsshal l be ta ke n as the mass of zinc.



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~~~~STD-BSI B S 59b7-ENGL 1989 = L b 2 9 b b S 0 5 7 5 b 5 8 721 W

Test

Minimum tensile strength (in N/mm2)Minimum percentage elongation a t breakMaximum percentage variation" of tensile strengthMaximum percentage variation* of elongation a t break

19.4 Wrapping t e s t for galvanized steel wireWhen specified by the purchaser, the armour wires shallbe subjected to a wrapping test. 10 %of the total numberof wires shall be taken a t random from one sample ofcompleted cable. Each wire shall b e wrapped round acylindrical mandrel for one complete turn. The mandrelshall have a diameter of approximately four times thespecified nominal diameter of the wire under test.

RequirementGP8 CP6

12.5 8.5200 20025 3025 30

19.5 Tensile t e s t for aluminium wires and stripsWhen specified by the purchaser, the aluminium wires orstrips shall be subjected to a tensile test. 1O % of the totalnumber of wiredstrips shall be taken a t random from onesample of the completed cable and the tensile strength ofeach wire or strip shall be measured in accordance withBS EN 10002-1, except that in the case o f the aluminiumstrip the cross-sectional area shall be determined, to anaccuracy of f 1 %, from the mass of a known length and adensity of 2.703 g/cm3.The load shall be applied gradually and the rate ofseparation of the jaws of the testing machine shall be notless than 25 mm per minute and not greater than 100 rnmper minute. The distance between the grips of the machineshall be 250 mm 1:2 mm.The average of al l the measurements shall be taken as thetensi le strength.

Maximum percentage variation" of elongation a t break

Minimum tensile strength (in N/mm2 )Minimum percentage elongation a t breakMaximum percentage variation' of tensile strength

19.6 Test for flame propagation of single cableCables shall comply w ith the requirements of BS 4066 :Part 1.

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BS 5467 : 1989

20 TypetestNOTE . The foll owin g sub-clause gives details of the t ype test whic his not f ul ly covered by the earlier clauses either d irect ly or byappropriate r eferences to other British Standards.

20.1 Compatibility tes tNOTE. This test i s intended to check that the insulation andoversheath are not liable t o deteriorate due to con tact w it h othercomponents in the cable.20.1.1 General. The following t e s t shall be carried outon a l l types of cable.20.1.2 Ageing treatment. Samples of completed cableshall be heated in an oven for 7 days a t 100 f 2 C usingthe procedure specified in 2.3 of BS 6469. After comple-tion of the ageing t e s t the tensile strength and elongationa t break for insulation and sheath shall be measured inaccordance w ith 2.2 of BS 6469.A sheet of clean white blotting paper shall be placedunder each t es t piece in the oven to detect any exudationwhich may drip from the cable. At the end of the tes tperiod in the oven the b lott ing paper shall be free fromstains.20.1.3 Requirement. When tested in accordance wi th theabove methods and procedures, the results shall complywi th the appropriate values given in table 9.

Table 9. Compatibility tes t requirementsComponent

Insulation

Overs heath

Type 9

12.51502525

'The variation i s the di fference b etween the respective values o btained pr io r to and after heat treatment expressedas a percentage o f the former.

9Copyright British Standards InstitutionProvided by IHS under license with BSI Not for ResaleNo reproduction or networking permitted without license from IHS

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Table 10. Single-core S O O l O O O V cables with stranded copper conductors ~5 6 71 8

Nominalarea ofconductor'

m m 2507095120150185240300400500630800

1O00

2Thickness o finsulation

rnrn1 .o1 11 11.21.41.61.71.82 o2.22.42.62.8

3 4Unarmoured cablasThi ck nessof sheath

rnm1.41.41.51.51.61.61.71.81.92 o2.22.32.4

Approximateoveralldiameter

mrn14.216.218.320.222.424.727 ?30.634.238.O42.947.853.0

Armoured cablesThickness o fextrudedbedding

rnmO 8O.80.8O 81 .o1 .o1 .o1 .o1.21.21.21.41.4

Nominalarmour wirediameter

mrno 91.251.251.251.61.61.61.62 o2 o2 o2.52.5

Thickness ofoversheath

mrn1.51.51.61.61.71.81.81.92 o2.12.22.42.5


m m17.520.222.324.227.430 O32 835.640.444.248.855.460.6

'Circul ar or circular com pacted stranded conductors (Class 2 .1


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~~STD-BSI B S 5 4 b 7 - E N G L 1989 M Lb24bbS 0575bb0 3 TBS 5467 : 1989

'c

E c q c q c q 3 o c 0 0 0 o - - - -

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. . j . - . . . - . _. ~~STD-BSI B S Sqbi-ENGL 1 9 8 9 Zb24bb 0575bbL 2Lb

1 2 3 4 5 6 7

B S 5467 : 1989

8 9Table 12. Two-core 600/1000 V cables wi th copper

Nominal Thickness of Unarm oured cablesarea of insulationconductor Thickness Appro xima teof sheath overall

diameter

mm2 mm mrn mm1.5* 0.61.5 0.6 - -2.5' 0.72.M 0.74 * 0.7w 0.7

1o 0.716* O.7 1.8 17.20.9 1.8 17.0582% o.9 1.8 20.835 0.9 1.8 18.835 0.9 1.8 23.250 1 .o 1.8 21 .o70 1 1 1.8 24 O95 1 1 1.9 26.9120 1.2 2 o 29.9150 1.4 2.2 33.4185 1.6 2.3 37.1240 1.7 2.5 41.7300 1.8 2.6 45.8400 2 o 2.9 51.6

- -- -- -- -- -- -

'Circular sol id conduct ors (Class 1 .+Circular or circular compacted stranded conductors (Class21.Shaped stranded conductors (Class2).Kab les having conductors of nomin al area 50 mrn' and above sha l l have shaped stranded conductors (Class2).I

conductors

Armou red cablesThickness of Nominal Thickness of Appro ximat e overallextrud ed armour oversheath diameterbedding wire

diameter Extru ded Tapedbedding bedding

mrn mm mm mm mrnO.8 0.9 1.3 11.7 -O.8 o.9 1.4 12.30.8 o.9 1.4 13.1 -O.8 0.9 1.4 13.6 -0.8 0.9 1.4 14.7 -0.8 0.9 1.4 15.9 -0.8 o.9 1.5 18.0 -O 8 1.25 1.5 20.0 20.oO.8 1.25 1.6 20.4 20.424.1.8 1.25 1.6 24.11 .o 1.6 1.7 23.4 23.01.o 1.6 1.7 27.9 27.51 .o 1.6 1.8 25.8 25.41 .o 1.6 1.9 29.0 28.61.2 2 o 2 o 33.1 32.31.2 2 o 2.1 36.1 35.31.2 2 o 2.2 39.3 38.51.4 2.5 2.4 44.7 43.51.4 2.5 2.5 49 O 47.81.6 2.5 2.6 53.5 51.91.6 2.5 2.8 59.O 57.4

-



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~~~STD-BSI B S 54b7 -ENGL 1787 Lb24bb7 0 5 7 5 b b 2 152BS 5467 : 1989

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BS 5467 : 1989

Table 14. Three-core S O O lO O O V cables with copper conductors1Nominalarea ofconductor

mm21.5'1.532.5"2.5+4*&

1o16*25+35*507095

120150185240300400

25 835 8

2Thickness o finsulation

mm0.60.60.70.70.70.7O .70.70.90.90.9o 91 o1.11.11.21.41.61.71.82.0

Unarm our ed cablesThicknessof sheath

mm-------1.81.81.81.81.81.81.92.o2.12.22.42.62.73 O

Appmximateoveralldiameter

mm-------18.319.022.121 .o24.823.627.430.834.237.942.547.852.659.2

5 1 6 1 7 l a 1 9Armoured cablesThickness ofextrudedbedding

mmO .80.80.80.80.8O .8O .8O .81o1 o1 o1 o1 o1.o1.21.21.41.41.41.61.6

Nominalarmourwirediameter

mm0.90.90.9o.9o .9o .91.251.251.61.61.61.61.61.62 o2.02.52.52.52.52.5


mm1.41.41.41.41.41.41.51.61.71.71.81.81.81.92.12.22'.32.42.62.72.9

Approximate overalldiameterExtrudedbedding

mm12.312.813.614.115.316.619.521.223.626.725.929.628.532.237.o40.445.549.855.160.266.6

'Circular solid conductors (Class 1 I*Circular or circular compacted stranded conductors (Class 2 .SShaped stranded conductor s (Class2 ) .ICables having conductors of nominal area 50 rnrn' and above shall have shaped stranded conductors (Class 2)

Tapedbeddingmm-------21.223.226.325.529.228.131.836.239.644.348.653.958.665O

A

1328 14Copyright British Standards InstitutionProvided by IHS under license with BSINot for ResaleNo reproduction or networking permitted without license from IHS

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~~~~:i . ..._ _ .. , - ~ . . I L.STD-BSI B S 5 4 b - E N G L 1989 m l b29bb9 0 5 i 5 b b l l T25 m

BS 5467 : 1989

N * t t ++E < D L O m L O L O OOLO O O L O O 0c y C u mE - n t N o o L O ~ m c v L O C o u 0



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STD-BSI B S 59b7-ENGL 1787 m 1b24bb7 0 5 7 5 b b 5 7bl

5 6

6s 5467 : 1989

7 8 9Table 16. Four-core S O O l O O O V cables wi th copper conductors1Nominalarea ofconductor

~ m m 21.5*1.542.52.5$4*I3

1o+16+25+3550 I7095120150185240300400

2535o

2Thickness ofinsulation

mrn0.60.60.7O.70.7O .70.70.7o.9o.9o.9o 91 .o1 11 11.21.41.61.71.82 o

3 4Unarmoured cab leThicknessof sheath

mrn-------1.81.81.81.81.81.82 o2 l2.22.42.62.83.03.2


m m-------20.021.424.323.927.326.931.535.639.544.149.355.561.468.8

Armoured cablesThickness o fextrudedbedding

m mO.80.80.8O.8O.80.80.80.81 .o1 .o1.o1.o1 .o1.21.21.41.41.41.61.61.8


m mo-90.9o 90.90.91.251.251.251.61.61.61.61.62 o2 o2.52.52.52.52.53.1 5


m m1.41.41.41.41.41.51.51.61.71.71.81.81.92.12.22.32.42.62.72.93.2

Approximate overalldiameterExtrudedbedding

m m13.013.514.515.016.418.721.122.926.128.928.832.132 O37.741.747.151.456.663.068.878.1

'Circular solid conductors (Class 11*Circu lar o r circu lar comp acted stranded conduct ors (Class 21Shaped stranded conduct ors (Class2).IICables having conducto rs of nomi nal area 50 mm2 and above shall have shaped stranded cond uctors (Class 2 ) .

Tapedbedding

m m-------22.925.728.528.431.731.636.940.945.950.255.461.467.276.1


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BS 5467 : 1989

18

* t t *E w L O m m v ) o o m oov 0 0E - n i n i m C Q m r - Q ) w ou m

u>22P45m.5n

IoO-

alc-mo>OUmEEO"I

17Copyright British Standards InstitutionProvided by IHS under license with BSI


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~ S T T B S I B S Sqb ' l -ENGL 1989 m L b 2 4 b b 7 0 5 7 5 b b 7 739 mBS 5467 : 1989

8nu-liEaO

8nutEV

O

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LO

d u u u u m

N * * * * +E m m m m o o m o o m O 0 0 oE h l h l m m m b c n ZJZ w o o oC u m m w

VIm-2VI

+U3UOoLUCcVI


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? 2 3 4 5 6 7 8 9Nominal Thickness of Thicknessof Nominal Armour striparea of insulation extruded armourconductor bedding w i r e Nominal Nominal

diameter thickness wid th

Thickness of Approximae overallovenheath diameter

Wire-armoured Striparmoured

mrn mm2 o 0.82 o O.82.0 O.82.o 1.o2 o 1.o2 o 1 .o2 o 1 o2 o 1 o

h

~ ~ ~~

BS 5467 : 1989

Table 19. Single-core 1900/3300 V armouredcables with stranded copper conductors4 5 62 3

Thicknessofextrudedbedding

Thickness ofovertheath

Approximateoverail diameterNominal areaof conductor' Thickness ofinsulation

Nominalarmour wirediameter

mrn1.251.251.251.61.61.61.61.62.02.o2 o2.52.5

rnm1.61.61.61.71.71.81.81.92 o2.12.22.42.5

mm20.622.424.327.228.830.833.436.140.444.248.855.460.6

mrn'507095

120150185240300400500630800

1o00

mm2 o2 o2.02 o2 o2 o2 o2 o2 o2.22.42.62 -8

mmO .8O .8O .81 o1 o1 o1 o1o1.21 21.21.41-4

*Circular or circular compacted st randed conductors (Class 2).

mm1.61.61.61.71.71.81.81.9

mm19.420.922.525.226.528.330.532.8

mm2507095

120150185240300Circular

mm1.251.251.251.61.61.61.61.6

mrn18.019.621.223.224.527.129.331.6

mm2.42-42.42.42.43.63.63.6

mm0.60.60.60.60.61.o1o1.o

35.939.242.646.953.058.3

2 o2.22.42.62.83 O

1-21.21.21.41.41.6

2.02 o2 o2.52.52.5

1.41.41.41.41 E1.8

2 o2.12.22.32.52.6

37.140.443.849.154.459.7

4.880(4 x 95)480(4 x 120)600(4 x 150)740(4 x 185)960(4 x 240)

1200(4 x 300)

4.84.84.86.46.4



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STD-BSI B S 5L ib7-ENGL 1787 Lb29bbS -0575bb9 507

mm1 o1 .o1 .o1.o1.21.21.21.41.41.41.61.61.6

BS 5467 : 1989

mm1.61.61.61.62 o2 o2 o2.52.52 52.52.52.5

Table 21. Three-core1900/3300 V armoured cables with stranded copper conductors

7 8

1

9

Nominalama ofconductor

1Nominalarea ofconductor

mm'16"2535t35"50*7095120150185240300

2

2Thickness ofinsulation

mm2 o2.02 o2 o2.02 o2 o2 o2.02.02 o2 o

Thickness ofinsulation

3Thickness ofextrudedbedding

rnm1 .o1.o1.o1.o1.21.21.21.41.41.41.61.6

mm'1625353550*7095120150185240300400

4Nominalarmourwirediametermm1.61.61.61.62 o2 o2 o2.52.52.52.52.5

mrn2.02 o2 o2 o2 o2 o2 o2 o2 o2 o2 o2 o2 o

oversheath

rnm1.81.81.91.92 o2,l2.22.32.42.52.62.7

Thickness of Nominalextruded armour wire+edding diametsrdiameterWire-armouredmm28.030.429.732.733.056.039.143.145.648.753.257.2

Nominalthicknessmm0.60.61.o1.o1 .o1.0 '1.41.41.41.41.81.8

5Thickness ofoversheath

Nominalwidthmm2.42.43.63.63.63.64.84.8,4.84.86.46.4

mm1.81.81.91.92 o2.12.22.32.42.52.62.72.9

6Approximateoveralldiametermrn28.932.231.235 O34.738.041.4 '45.748.551.956.961.266.6

*Circular or circular compacted stranded conduc tors (Class 2).tShape d stranded conduc tors (Class 2 .+Cables having conductors of nominal area 50 m m 2 and above shall have shaped strandedconductors (Class 2).

Table 22. Three-core1900/3300 V armoured cables with solrd aluminiumConductorsEArmour strip Thickness of I Approximate overall

*Circular solid conductors (Class 1tShaped solid conductors (Class 1 .+Cables having conductors of nominal area 50 mm' and above shall have shaped solid conductors (Class 1).

Strip-armo&rnm26.028.428.531.531.O34 O37.940.943.446.551.855.8



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~ ~STD-BSI B S 54b7-ENGL 1989 m Lb24bb9 0575b70 2 2 9 mBS 5467 : 1989

Table 23. SO O lO O O V armoured auxil iary cables with stranded copper conductors1 2 4 5 6 7Number ofcorert

Nominalarea ofconductor'

Thickness ofinsulation

Thickness ofextrudedbedding


Thickness ofoversheath Approximateoveralldiameter

m m21.5

m m0.6

m m0.8o ao a1 .o1 .o

mm0.91.251.251.61.6

m m1.41.51.61.7I .8

m m15.219.422.226.729.2

71219273771219

2737712192737

o 91.251.61.61.6

2.5 O .7 0 80.81 .o1 .o1 .o

1.41.61.71.81.8

17.122.426.630.733.a

4 O 0.7 O 81 o1 .o1 .o1.2

1.251.61.61.62.0

1.51.61.71.92 o

19.725.729.334.439.2 ACircular or compactedcirnil r stranded copper conductors (Class 2).t T h e number of cores given here are preferred. Other numbers are per mit ted subjectto agreement betweenpurchaser and manufacturer, a nd where such other numbers are manufactured, the dimensional detailsshall be as for t h e next highest preferred number of cores.


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1

Appendices

2 3 4

Appendix A. Recommendations for theselection and operation of cables specifiedin the standard

System voltageNominal Maximumvoltage sustainedU voltage

'

urnkV k.VU p to 1.0 1.11.9 to 3.3 3.6

A . l Type of finish

Systemcategory

A, B o r CAor B

PVC oversheath provides protection against most corrosiveand wet environments. In particularly onerous casesreference should be made to the cable manufacturer.

A A . 2 Voltage ratingsThe rated voltage of the cable for a given application shouldbe suitable for the operating conditions in the system inwhich the cable i s used. To facilitate the selection of thecable, systems are divided into three categories.

Category A:

Category B:

Category C :

The nominal system voltage, U , iven in table 24 i s thenominal voltage between phases.The maximum sustained system voltage, U,, is the highestvoltage between phases which may be sustained undernormal conditions a t any time and a t any point in thesystem. It excludes transient voltage variations, due,for example, to lightning impulses, fault conditions andrapid disconnection of loads.Single-core600/1000 V cables are suitable for d.c. systemsoperating up t o 1000 V to earth and two-core 600/1000cables up to 1500 V between conductors. Single-core1900/3300 V cables are suitable for d.c. systems operatingup to 3000 V to earth. However, consideration should begiven to the peak value when determining the voltage ofa d.c. system derived from rectifiers, bearing in mind thatsmoothing does not modify the peak value when t h erectifiers are operating on an open circuit.

This category comprises those systems inwhich any phase conductor that comes incontact with earth or an earth conductori s disconnected from the system within

..A.3 Current ratingsA.3.1 Cables installed in and around buildings

1 min.This category comprises those systemswhich, under fault conditions, are operatedfor a short time with one phase earthed.This period, according to IEC Publication183, should not exceed 1 h. For cablescovered by this standard a longer period,not exceeding 8 h on any occasion, can betolerated. The total duration of earthfaults in any year should not exceed 125 h.This category comprises a l l systems whichdo not fall into Categories A and B.

Minimumrated voltageof cableu /u

kVO .6/11.913.3

For the current ratings of cables installed in and aroundbuildings, reference should be made to the Regulations forElectrical Installations, published by the Institu tion ofElectrical Engineerst.A.3.2 Other installationsFor the current ratings for cables installed in situationsother than those covered by A.3.1, reference should bemade to the Current Rating Standards for DistributionCables ERA 69-3 0Part V published by ERA TechnologyLtd*.

A

'For conductor sizes below 16 m m 2 , he manufacturers should be consulted,t Institution of Electrical Engineers, Savoy Place, London WC2.* E R A Technology Ltd.. Cleeve Road, Leatherhead, Surrey. 22

Appendix B. Recommendations or theinstallation of cables specified in thestandardB.l Compliance with regulationsThe cables should be installed and used in association wi thother equipment in accordance with the current Institutionof Electrical Engineers ( I EE) Regulations or ElectricalInstallationst and/or the Electricity Supply Regulations?.In countries outside the UK any applicable correspondingnational regulations should be observed.In special environments, the appropriate regulations andcodes of practice should be observed, (e.g. where cables arerequired to be installed in areas classified as hazardousi.e. potentially explosive gas atmospheres, reference shouldb e made to BS 5345).

3Available from HMSO.Copyright British Standards InstitutionProvided by IHS under license with BSI


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B 2 Minimum temperature duringinstallation

Tabulatedoverall diameterD

Attention is drawn to the fact that as the temperaturedecreases, PVC compounds becom: increasingly s t i f f andbrittle. A t temperatures around O C and lower, f the cableis bent too quickly, to too small a radius or is struck thereis a risk of shattering the PVC components.Therefore, the installation should proceed only when boththe cable and the ambient temperatures are above O OCand have been so for the previous 24 h, or where specialprecautions have been taken to maintain the cable abovethis temperature.

Minimuminternalradiusof bend

8.3 Minimum installation radius

Circular copperconductor,unarmoured

None of the cables specified should be bent duringinstallation t o a radius smaller than that recommendedin table 25.Wherever possible, larger installation radiishould be used.

above 10 mm ' 4 0up to andincluding 25 mmAbove 25 mm 6

Table 25. Minimum installation radius1 12 1 3Construction

_ _Circular copperconductor, armoured I 6DSolid aluminium or Iany

I 8 0shaped copperconductors, armouredor unarmouredB.4 Preventionofmoisture ingressCare should be exercised dur ing installation to avoid anydamage to cable coverings. This is important in wet orother aggressive environments especially for cables whichdo not have extruded bedding. Unprotected open endsshould not be exposed to moisture prior to finaltermination or jointing.

BS 5467 : 1989

B.5 Earthing bonds and clampsOwing to the absence of a metal sheath, all earth faultcurrents wi ll return through the armour unless there isa parallel bonding connection to relieve the armour ofsome of the fault current. In either event, it is necessaryto ensure that there is no discontinuity in the returncircuit via the armour, and no local spot of high resistance.Careful attention, therefore, should be paid to the designof al l bonding clamps in joints and terminations to ensurethat each armour wire or str ip contributes equally to theconductance of the bonding connection and that theresistance across a connector i s not higher than that of theequivalent length of connected armour of the cable.It s also important to ensure that al l armour (wires orstrips) and al l faces of armour clamps or connectors makingcontact with them are thoroughly cleaned during installa-tion, and that the clamps are adequately tightened toensure good electrical contact. Bonding clamps in ointsshould be electrically connected with a bond having aconductancea t least equal to that of an equal length ofthe complete armour of the cable, and with adequatethermal capacity to avoid excessive overheating under shortcircuit conditions.The shell of a cas t iron box i s normally sufficient for thispurpose but, where it falls short, an auxil iary metallic bondshould be included.

B.6 Compound fillingJoints and sometimes terminations require fill ing wi thspecified compounds to seal against wet or hazardousenvironments. When hot pouring compound i s used,care should be taken that, a t the time of pouring, thetemperature of the compound does not exceed themaximum value specified by the supplier of the join t.Any joint included should be of suitable design to providea protective seal to prevent moisture gaining access to theinsulation and ferrules or the armour connectors.

8.7 Earthing of armourProvision should be made for earthing the armour to t h emain earth system a t the supply end by means of ametallic bond of adequate conductance, the bondingconnection being as short and straight as possible. It salso desirable to earth the armour a t additional positionssuch as a t oints.Special precautions may be necessary to eliminate therisk of corrosion due to the use of dissimilar metals.

The possibility of damage to moisture seals during handlingand installation of the cable should be borne in mind.Where such damage may have occurred the seals shouldbe inspected and remade if necessary.



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S T D - B S I BS 54b7-ENGL 1787 m 1 b 2 4 b b 7 0575b73 T I 8 m

Cable voltagedesignation

v600/1oOO

1900/3300

BS 5467 :1989

d.c. test volta@aBetween Between conductorsconductorr and armour

'

v V3500 3 500

10000 7 O00

B.8 Tests after installationA voltage t es t after installation i s not an essential require-ment of this British Standard, but i f a tes t is made i tshould be carried out w ith direct current, the value ofthe voltage be ing tha t specified in table26.During the test, the voltage should be increased graduallyt o the ful l value and maintained continuously for 15 minbetween conductors and between each conductor andarmour. No breakdown should occur.

Table 26. Test voltages after installation1 2 3

Appendix C. Resistance of conductor andarmour, and armour cross-sectional areas

Appendix D. In form ation required w i t h enquiryand orderNOTE. See appendix A for recommendations o r selection of cables.The following information should be supplied with t heenquiry and order.

(a) The number of this British Standard i.e. BS 5467.(b) Length of cable required and, if important,individual drum lengths.(c) Voltage designation (see clause3 nd A.2).(d) Number of cores.(e) Conductor size and, where applicable, size ofreduced neutral conductor. These sizes depend uponvarious factors, details of which are given in thepublications referred to in A.3.{ f ) Conductor material. i.e. copper or aluminium.(9) Type of insulation, i.e. cross-linked polyethylene(XLPE) or ethylene propylene rubber (EPR).(h) Type of finish, i.e.

(1 ) Unarmoured.(2) Armoured with aluminium wire (single-coreonly), steel wire or aluminium strip.(3)Whether taped or extruded bedding (whereappropriate) i s required for armoured cables.This will depend on the conditions of installationand in particular on whether the environment i sespecially onerous, e.g. aggressive or wet. Incases of doubt advice should be sought from thecable manufacturer.C.l Maximum resistanceof conductor andarmour (i)Any special sample tests required.

Tables 27 to 31 contain maximum values of the resistanceof aluminium wire, aluminium strip and single galvanizedsteel wire armour of single-core, and multi-core cableswith rated voltage of 600/1000 V and 1900/3300 V asdesignated in tables 10 to 23 nclusive.

C 2 Gross cross-sectional area ofarmourTables 32 to 35 contain gross cross-sectional area ofarmour for use in calculating the maximum permissiblefault current to compfy with the 15th Edition of IEERegulations, clause 543-2.

24Copyright British Standards Institution



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BS 5467 : 1989

Table 27. Maximum resistanceof conductor and armour for single-core cables having aluminium wire armour1 2 3 4 5 6 7

r

- 0.0800- 0.0633- 0.0515- 0.041 O- 0.031 3- 0.0250

Nomi nal areaof conductor

- - 0.25 0.25- - 0.22 0.22- - 0.20 0.20- - 0.15 0.15- - 0.1 3 0.1 3- - 0.12 0.12

mmz507095

120150185240300400500630800

1O00

Maximum res

copperconductor

z0.3870.2680.1930.1530.124o .o99 10.07540.06010.04700.03660.02830.02210.0176

I Circular sectoral conductorsI :200

ance per k m ofAluminiumconductor

n0.641O .44 30.3200.2530.2060.1640.1250.1O0-----

Cables with solid alumi niumables wit h stranded copperconductors60011O00 Vcl1.30.750.670.61O .420.38O .340.310.220.200.180.1 30.12

1900/3300V

0.75O .670.610.420.390.37O -340.310.220.200.180.130.12

conductom600/1000V

1.40.840.750.690.470.420.38O .35-----

1900/3300VR0.790.730.670.470.430.410.370.34-----


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120150185

0.253 1.40.206 1.20.164 1.1

1 2 3 4 5 6

Two-core

600/1000 VR1.61.71.51.40.640.57-----

Three-core600/1000 V 1900/3300 V51 511.5 1.11.4 0.941.3 0.571.1 0.51O5 4 0.440.48 0.290.31 0.270.28 0.250.25 0.230.22 0.1 60.15 0.15

BS 5467 : 1989

Table 29. Maximum resistance of conductor andarmour for single-core cables having solid aluminiumconductors and aluminium strip armour

1 2 1 4Nominalarea ofconductor

Maxi mum resistance per k m of cable at 20 OCIStrip armourluminium

conductor

mmz507 095

0.443 1.7I 0.320 11.5 1.41 1 . 31.21.10.57

0.12524000 I 0.100 0.540.48

I I 1Circular secoral conductors

0.280.250.220.150.14

740 0.0410 0.229 60 0.0313 0.15

1200 0.0250 0.14

Table 30. Maximum resistance of conductor and armour for two-, three- andfour-core cables having solid aluminium conductors and aluminium strip armour

- 1 I I 1 1

Nominal area Maxi mum resistance per km of cable at 20 " Cof conductor Strip armourluminium

conductor Four-core600/1000 V511.41.21.1O .540.460.290.270.240.210.1 50.1 3

mm21625 '35507095

120150185240300

511.911.200.8680.641O .4430.3200.2530.2060.1640.1250.100



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~~~ ~~~~STD-BSI B S 59b7-ENGL 1787 1 b Z L i b b S 0 5 7 5 b 7 7 b83BS 5467 : 1989

1 2 3 4 5 6 7

7409601200---

Table 31. Maximum resistance of conductor and armour for600/1000 V auxiliary cables with copper conductors

Nominal area I Ma ximu m resistance perkm of cable at 20 "Cof conductor

Copper'conductor

Steel wire armour - Number of corest37

R7.96.34 O

12 19 27n4.23.52.3

n3.72.32 oL?2.31.91.7

R2.11.71.2

m m 21.52.54 O

R12.17.44.6'The values given are fo r pla in annealed copper conductors. For tin nedconductors reference should b e made to 6s 6360.t Fo r n on-pre ferred sizes, the ma xim um resistance shall n otb e greaterthan tha t of the next lowest preferred number of cores.

Table 32. Gross cross-sectional areas of armour wiresfor single-core600/1000 V cables having aluminiumwire armour1Nominalarea ofconductor

ros-sectional area of round armo ur wiresables wi t h stranded,pper conductors

Cables wit h solidaluminium conductors

rnm2507095120150185240300400500630800

1O00

irn2264247527684940447638260a4

mmz2338424668768492-----

Circular sectoral conductors

3804806001311471602252 0279



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2 3 4 5 6

Table 33. Gross cross-sectional area of armour wires for two-, three- and four-core S O O l O O O V cableshaving steel wire armour

7 8Nomi nal areaof conductor

mm21.5'2.5"4"6"

10'16'2535507095

120150185240300400

Cables wit h str anded copper conductorsT W O - C O ~ ~

mm215171922264142626880

113125138191215235265

~~

Three- core

mm216192123394462707890

12814120 1220250269304

Four-core

mm2172023364349708090

131147206230255289319452

Four-core(reducedneutral)

mm2------70

7686

128144163220250279304343

Cables wi th solid alu mini um conductorsTwo-core Three-cora

mm2-----

4258647284

119131181206230250-

Four-core

mm2-----46667282

12213519121 12 35265289-

A

'Circular conduc tors .


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A.

2

Table 34. Gross cross-sectional area of aluminium strip armour forsingle-, two - , three- and four-core 600/1000 V cables wi th solidaluminium conductors

3 4 5Nominal areaof onductor

1 2

m m z16"2535507095

120150185240300

3 4 5 6Nominalarea ofconductor

m mz1.52.54 O

Single-core

Gross cross-sectional area of steel wi re armour:number of cores7 12 19 27 37m m z m m z m m z m m * m m z20 38 44 70 7624 45 70 84 9439 68 80 96 138

m m 2---1820232630336370

Circular sectoral conductors

380480600740960200

110123136156226248

'Circular conductors.

Two-core I Three-coremmz222023265360-----

m m z232427316370

11012313615622 6

Four-core

m m 22629316374

117130143162237260

------

Table 35. Gross cross-sectional area of armour for600/1000 V auxiliary cables with copper conductors




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/2\

iIiIi

Ill

IiI

lI

Appendix E. Guide to useE.l AimThe aim of this appendix i s to inform users of characteristicsand limitations of electric cables and thereby to minimizetheir misuse.It i s assumed that the design of installations and thespecification, purchase and installation of cables inaccordance with this British Standard i s entrusted tosuitably skilled and competent people.In cases of doubt as to the suitability of cables complyingwith this British Standard for a particular use, furtherspecific information should be obtained from t h e manu-facturer.E.2 Cable selection and designE.2.1 The products specified in this British Standard areintended to be used for the supply of electrical energy upto the rated voltage indicated on the cable. A.2 defines t h evoltage ratings of cables manufactured to the specification.These ratings should not be exceeded.E.2.2 These cables are intended for use a t a nominal powerfrequency range of 49 Hz o 61 Hz.E.2.3 In addition to t h e thermal rating, due regard shouldbe given to:(a) t h e capability of t h e cable to withstand the worst

anticipated fault condition of the system;(b) he earth loop impedance;( c l the operating characteristics of the connectedequipment.

E.2.4 The possible effects of transient over-voltages shouldbe recognized as they can be detrimental to cables.E.2.5 In three-phase circuits, where third or highermultiple harmonics, or phase load unbalance may occur,consideration should be given to the use of cable with fullsized neutral, e.g. in banks of discharge lighting.E.3 Environment and applicationE.3.1 Reasonable protection against mechanical damage,appropriate to the choice of cable and the installationconditions, should be provided.

E.3.2 Cables complying wi th this British Standard containP V C and when exposed to the effects of external fire willproduce harmful smoke and fumes, and where bundledtogether may propagate fire. Where circumstances dictate,consideration may be given to the use of reduced propa-gation materials.E.3.3 Cables may b e harmed by exposure to corrosiveproducts or solvent substances, especially petroleumbased vapours.E.3.4 Special precautions are required when cables are tobe installed in areas classified a s hazardous and referenceshould be made to BS 5345.E.3.5 Cables complying with this British Standard are notspecifically designed for use:

(a) as self supporting aerial cables;(b) as submarine cable or for laying in water-loggedconditions;(c) where subsidence i s likely, unless special precautionsare taken to minimize damage;(d ) where any exposure to excessive heat i s involved;(el where the oversheath is subjected to a voltage t e s tafter installation.

. -I.

L.



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STD*BSI B S 54b7 -ENGL 1 9 8 9 Lb2LibbS 0 5 7 5 b 8 1 O04

I

I 'I

E.3.6 If cables to this specification are exposed to localizedheat, solar radiation or high temperature ambient condi-tions, this will reduce the current carrying capacity.E.3.7 The standard sheathing compounds supplied on thesecables do not provide protection against damage by rodents,termites, etc.E.3.8 Loaded cables may have surface temperatures whichrequire protection against accidental contact.E.4 InstallationE.4.1 Precautions should be taken to avoid mechanicaldamage to the cables before and during installation.E.4.2 Exceeding the manufacturer's recommended max-imum pulling tensions may result in damage to the cable.E.4.3 If cables are to be installed in ducts, the correctsize of duct should be used. Reference should be made toE R A Publication 69-30, Part V .E.4.4 The type of join ting and fil ling compoundsemployed have to be chemically compatible with the cablematerials.E.4.5 The cable support system should be such as to avoiddamage or danger under normal or fault conditions.E.4.6 Cables complying with this British Standard aredesigned for fixed installations only, e.g. they are not foruse as trailing or reeling cables.E.4.7 Repeated over-voltage testing can lead to prematurefailure of the cable.E.4.8 The selection of cable glands, accessories and anyassociated tools should take account of a l l aspects ofintended use.E.5 Storage and drum disposalE.5.1 Cable drums should be regularly inspected duringstorage to assess their physical condition.E.5.2 Battens, where applied, should not be removedfrom drums until the cable i s about to be installed.E.5.3 When handling drums reasonable precautions shouldbe taken to avoid injury. Due regard should be paid to themass of the drum, method and direction of rolling, l ifting,protruding nails and splinters.

E.5.4 Care should be taken with the disposal of emptydrums and battens, These are normally returnable to thesupplier/cable maker, and return should take place as soonas possible in order to avoid deterioration or their becominga hazard to the general public, e.g. children.E.5.5 Small quantities of timber from drums or battens,which may have been treated with wood preservative, maybe burnt under carefully controlled conditions in the open.E.5.6 A detailed guide to the safe handling of cable drumsi s available from the cable manufacturer.E.6 incinerationThe by-products of burning scrap cable can be a healthhazard. Incineration should only be undertaken by alicensed contractor. For further information, HMInspectorate of Pollu tion should be contacted.'



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Publicat ions referred toBS 18BS 443BS 4066BS 4727BS 5099BS 5345BS 6360BS 6469BS 6746BS 6899

Method f or tensile testing of metals (inc luding aerospace materials)Part 1 Non-fer rous metalsSpecification for testing zinc coatings on steel wire and for quality requirementsTests on electric cables under fire co nditio nsPart 1 Method of test on a single vertical insulated wire or cableGlossary of electrotechnical, power, telecommunication. electronics. lig hting and colour termsPart 2 : Group 8. Electric cable terminologySpecification f or spark testing of electric cablesCode of practice for selection, installation and maintenance of electrical apparatus for usein poten tiall y explosiveatmospheres (other than min ing applications or explosive processing and manufact ure)Specification f or conductors i n insulated cables and cordsMethods of test fo r insulation and sheaths of electric cablesSpecification fo r PVC insulation and sheath of electric cablesSpecification f or rubber insulati on and sheath of electric cables

iEC 228'IEC 502'IEC 81 1BS EN 10002-1 Tensile testing o f metal lic materiais*Referred t o in foreword only.

Conductors of insulated cablesExtrude d solid dielectric insulated power cables for rated voltages fr om 1 kV up t o 30 k VCommon test methods f or insulating and sheathing materials of electric cables

Part 1 Method of test at ambient temperature




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~ STD-BSI B S 5 9 b 7 - E N G L 1789 L b 2 g b b S 0 5 7 5 b 8 3 7 8 7

Amd. No.

This Briti sh Standard, having been prepared under the di rect ionof the General Electrotechnical Engineering Standards Poli cyCommittee, was publis hed under the authority of t h e Board ofBSI and comes in to eff ect o n 29 September 1989D British Standards I nstitu tion, 1989First published June 1977First revision September 1989ISBN O 580 17292 9The foll owing BSI references relate to t h e work on this standard:Committee reference GEL/3 Draft for comment 87/31135 D C

British Standards Institution. Incorporated by Royal Charter. BSI i si n e independent national body for the preparation of BritishStandaras. It IS the UK member of the international Organizationfor Standardization and UK sponsor of the British NationalCommittee of t h e International Electrotechnical CommissionIn addition to the preparation and prom ulga tion of standards, BSIoffers specialist services including the provision o f inf orm ati onihrough the BSI Library and Standardline Database; Technical Helpto Exporters: and other services. Advice can be obtained from theEmjuiry Section, BSI, Mil ton Keynes MK 14 6LE. telephone0908 22 1166, ?elex 8257 77.Copyright. Users of Brit ish Standards a re reminded that copyrightsuusists in al l BSI Gublications. No part of t h i s publication may berei3roduced in any f orm without t i i e prior permission in writing ofSi This does not preclude the free use. in the course of

D a t e of issue

BS 5467 : 1989implen ienting the standard. o i necessary details such as symbo s andsize. type or grade designations Enquiries should be addressedIOthe Publications Manager, BSI, Lint ord Wood, Milton KeynesMK14 6 L E . The number for telephone enquiries i s O908 220022and for telex 825777.Contract requirements. A British Standard does not pur port toinclude a l l the necessary provisions of a contract Usersof BritishStandards are responsible for their correct application.

Committees responsible for this B rit ish StandardThe preparation of thi s Bri tish Standard was entrusted b y theGeneral Electrotechnical Engineering Standards Policy Commit tee(GEL/-) to Technical Committee GEL/3, upon whic h the followi ngbodies were represented:Aluminium FederationAssociation o f Consult ing EngineersAssociation of Manufacturers of Domestic Electrical AppliancesBritish Approvals Service for Electric CablesBritish Cable Makers' ConfederationBritish Plastics Federati onBritish Railways BoardBritish ShipbuildersBritish Telecommunications plcDepartment of Energy (Electricity Division)Department of t h e Environm ent (Property Services Agency)Department of Trade and Industry (Consumer Safety Unit,

CA Division)

ER A Technology Ltd.Ele ctri cit y Supply Industr y in England and WalesEngineering Equipment and Materials Users' AssociationInst itut ion o f Electrical EngineersLondon Regional TransportThe fo llo wing bodies were also represented i n the draf tin g of thestandard, through subcommittees and panels:Association of Supervisory and Executive EngineersBrit ish GasDIC

~Revision of Bri tish Standards. British Standards are revised. whennecessary. b y the issue either o f amendments orof revised editionsIt i s important that users of British Standards should ascertain tha tthey are in possession of t h e latest amendments or editions.Au tomatic updat ing service BSI provides an economic, individ1.s'and automat ic standards updating service calledP L U S Details areavailable from BSI Enquiry Secticn a t Mil ton Keynes, telephoneO908 221 166, telex 825777Information on a l l BSI publicarions i s in theBSI Catalogue.wpplemented each month by BSI News which i s available tosubscribing members of BSI and gives details of new publications,revisions. amendments and wit hdrawn standards Any person whowhen ma king use of a Bri rish Standard, encounters an inaccuracy orambiquity, i s requested to no tir y BSI wit hou t delay in ordei thatthe mafter may be investigated and appropriate action taken

(2iPQ,4

British Standards Institution 2 Park S t ree t London W 1 A 2BS . Telephone 01-629 9000 Telex 2669338909 8- 1.3k- JWD GEL1 3Copyright British Standards InstitutionProvided by IHS under license with BSI


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4

STD-BSI B S -5 rb7 -ENGL- 1989 L b 2 4 b b 9 - 0 5 7 5 b 8 4 813

Amendment No. 1published and effective from 30 March 1990to BS 5467 : 1989Specification for cables with thermosettinginsulation for electricity supply for ratedvoltages of up to and including 600/1000 Vand up to and including 1900/3300 V

AMD 6425

Corrections

AMD 6425March 1990

Front coverBeneath the shoulder heading insert the following UDC number.UDC 621.315.222 : 621.315.616 : 678.072 : 621.3.027.4/.5

AMD 6425March 1990

Clause 9.3 Multicore cablesIn h e last line delete 'table 1' and substitute 'table 5'

AMD 6425March 1990

Table 5. Schedule of test requirementsOpposite the l ast line 'Test for flame propagation of single cable', in column 4, delete 'T'and substitute 'SS'.

AMO 425March 1990 Table 6. Routine testsDelete table 6 entirely and substitute the following.

Table 6. Routine tests

TmSpark tes tCable markings

Conductorresistance t es tVoltage test oncomplete cable

2Requirementc lausaJ5and 12

14

417.3

Test method~

BS 5099Visualexamination andmeasurement17.2 andBS 636017.3

AMO 425March 1990 Table 18. Fourcore 600/1000 cables with reduced neutral conductor andwith stranded copper conductors

In column 2 delete 'mm' and substitute 'mm2',




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STD-BSS 5 4 b 7 - E N G L 1787 m L b 2 4 b b 7 0 5 7 5 b 5 7 5 T m

AMD 6425March 1990

Clause A.2 Voltage ratingsDelete the asterisk against the title.

AMD 6425March 1990 Clause A.3 Current ratingsInsert an asterisk against the heading.

AMD 425March 1990 Table 28. Maximum resistance o f conductor and armour for two-, three- andfour-core cables having steel w ire arm ourIn column 2, delete the last value '0.470' and substitute '0.0470'.In column 9, for cables with a nominal areaof conductor of 25 m m , 3.1' andsubstitute '4.1'.

2

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

2 CI LI20



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STD.BS1 B S SLib7-ENGL 1787 m Lb2LibbS 0 5 7 5 b 8 b b7b =Amendment No. 2published and effective fro m 28 February 1992to BS 5467 : 1989

~ Specification fo r cables wit h thermosett inginsulation fo r electr icity supply for ratedvoltages of u p to and including 600/1000 Vand up t o and including 1900/3300V

AMD 6829

AMD 6829February 1992

ContentsUnder the heading 'Appendices' insert the following:

'E Guide to use'.

AMD 6829February 1992 Clause 12. OversheathDelete the first sentence and substitute the following:

'The oversheath of unarmoured or armoured cable shall bean extruded layer of PVC complying with the appropriaterequirements of table 5 and BS 6746 for Type 9 compound.'Between paragraphs 1 and 2 insert the following:

'NOTE. Oversheaths are normal ly black , but colours oth er thanblack may b e provided b y agreement between the manufacturer andpurchaser, subject to their suit abilit y for the parti cular exposureconditions under whic h the cables are to be used.'

AMD 6829February 1992

Clause 14. Marking and end sealingDelete 14.2 and 14.3, and substitute the following:'14.2 External markingThe external surface of al l cables complying wi th thisBritish Standard shall be legibly marked with the followingelements:Element(a) Electric cableb) Voltage designation

(c) British Standard number(d) Manufacturer's identif ication(e) Number of cores, type and

nominal area of conductor(1 Copper conductor cablesNOTE 1.4 X 50 indicates a fou rco recable wit h 50 mm' copperconductors.

Example of markingELECTRICCABLE600/1o V3300 v600/1000 V AUXBS 5467X Y Z

4 X 50


Provided by IHS under license with BSINot for ResaleNo reproduction or networking permitted without license from IHS

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BS 5467-1989