Art 230 Services

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Article 230. ServicesArticle 230. Services

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230.1 Scope230.1 Scope

Article 230 covers the installationArticle 230 covers the installation

requirements for service conductors andrequirements for service conductors and

equipment.equipment.

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Part I. GeneralPart I. General

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230.2 Number of Services230.2 Number of Services

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A! Special "onditions.A! Special "onditions.

1! #ire pumps.1! #ire pumps.

2! $mer%enc& po'er.2! $mer%enc& po'er.

3! (e%all& required standb& po'er.3! (e%all& required standb& po'er.

)! *ptional standb& po'er.)! *ptional standb& po'er.

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+! Special *ccupancies.+! Special *ccupancies.

1! ,ultiple-occupanc& buildin%s 'here1! ,ultiple-occupanc& buildin%s 'here

theres no available space/ ortheres no available space/ or

2! A buildin% or other structure so lar%e that2! A buildin% or other structure so lar%e that

t'o or more services are necessar&.t'o or more services are necessar&.

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"! "apacit& equirements."! "apacit& equirements.

1! here the capacit& eceeds 2/000A.1! here the capacit& eceeds 2/000A.

2! here the load of a sin%le-phase2! here the load of a sin%le-phase

installation eceeds the utilit&s capacit&.installation eceeds the utilit&s capacit&.

3! +& special permission.3! +& special permission.

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! ifferent "haracteristics. #or different! ifferent "haracteristics. #or different

volta%es/ frequencies/ or phases/ or forvolta%es/ frequencies/ or phases/ or for

different uses/ such as for differentdifferent uses/ such as for different

electricit& rate schedules.electricit& rate schedules.

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$! Identification of ,ultiple Services.$! Identification of ,ultiple Services.

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230.4 "onductors "onsidered230.4 "onductors "onsidered

*utside a +uildin%*utside a +uildin%

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230.4 "onductors "onsidered230.4 "onductors "onsidered

*utside a +uildin%*utside a +uildin%

"onductors are considered outside a"onductors are considered outside a

buildin% 'hen the& are installed5buildin% 'hen the& are installed5

2! ithin a buildin% or structure in a2! ithin a buildin% or structure in a

race'a& encased in not less than a 2 in.race'a& encased in not less than a 2 in.

thic6ness of concrete or bric6.thic6ness of concrete or bric6.

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230.7 Service "onductors230.7 Service "onductors

Separated from *ther "onductorsSeparated from *ther "onductors

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230.8 "learance from +uildin%230.8 "learance from +uildin%

*penin%s*penin%s

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230.10 9e%etation as Support230.10 9e%etation as Support


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Part II. *verhead Service-ropPart II. *verhead Service-rop

"onductors"onductors

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230.2) "learances230.2) "learances

A! Above oofs.A! Above oofs.

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230.24 Point of Attachment230.24 Point of Attachment


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230.2: Service ,asts ;sed as230.2: Service ,asts ;sed as

SupportsSupports

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Part III. ;nder%round Service-(ateralPart III. ;nder%round Service-(ateral

"onductors"onductors

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230.32 Protection A%ainst230.32 Protection A%ainst

ama%eama%e

hen service lateral conductors are run inhen service lateral conductors are run in

cables and race'a&s under%round/ the&cables and race'a&s under%round/ the&

must have minimum .

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Part I9. Service-$ntrance "onductorsPart I9. Service-$ntrance "onductors

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230.)2 Si?e and atin%230.)2 Si?e and atin%

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230.)4 Spliced "onductors230.)4 Spliced "onductors


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A! Service "ables. Service cables sub@ectA! Service "ables. Service cables sub@ect

to ph&sical dama%e must be protected.to ph&sical dama%e must be protected.

230.>0 Protection A%ainst230.>0 Protection A%ainst

Ph&sical ama%e - Above%roundPh&sical ama%e - Above%round

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230.>4 i%h-(e% Identification230.>4 i%h-(e% Identification


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230.44 Identified as Suitable for230.44 Identified as Suitable for

Service $quipmentService $quipment

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230.70 General230.70 General

=he service disconnectin% means must=he service disconnectin% means must

open all un%rounded service conductorsopen all un%rounded service conductors

from the buildin% or structure premisesfrom the buildin% or structure premises

'irin%.'irin%.


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A! (ocationA! (ocation

1! eadil& Accessible.1! eadil& Accessible.

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2! +athrooms2! +athrooms

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3! emote "ontrol.3! emote "ontrol.

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+! isconnect Identification.+! isconnect Identification.

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230.71 Number of isconnects230.71 Number of isconnects

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230.72 Groupin% of isconnects230.72 Groupin% of isconnects

A! ='o to Si isconnects. =he serviceA! ='o to Si isconnects. =he service

disconnectin% means must be %rouped.disconnectin% means must be %rouped.

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230.74 ,anual230.74 ,anual

or Po'er-*peratedor Po'er-*perated

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230.:2 $quipment "onnected to230.:2 $quipment "onnected to

the Suppl& Side of the Servicethe Suppl& Side of the Service

$lectrical equipment must not be connected$lectrical equipment must not be connected

to the suppl& side of the serviceto the suppl& side of the service

disconnect enclosure/ ecept Bdisconnect enclosure/ ecept B

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Part 9II. Service $quipment-Part 9II. Service $quipment-

*vercurrent Protection*vercurrent Protection

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230.80 *verload Protection230.80 *verload Protection

equiredequired

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230.80 *verload Protection230.80 *verload Protection

equiredequired

A! *vercurrent Protection Si?e. =he ratin%A! *vercurrent Protection Si?e. =he ratin%

of the overcurrent device must not beof the overcurrent device must not be

%reater than the ampacit& of the%reater than the ampacit& of the

conductors. $ceptBconductors. $ceptB

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Art 230 Services