National Occupational Skill Standard (NOSS)

National Occupational Skill Standard (NOSS)

Occupational Title : Industrial Electrician

Level : 3

Sector : Electrical

Sub - Sector : Industrial Electrification

NOSS ID/NSCO ID :

ISCO NO :

Council for Technical Education and Vocational Training

NATIONAL SKILL TESTING BOARD Madhyapur Thimi-17, Sanothimi, Bhaktapur, Nepal

Developed: 2020-07-07 (2077-03-23)

NOSS ID # Developed Date: 2020-07-07 Revision Number ## Revised Date: dd/mm/yyyy Page:2

The National Skill Standards and test was developed by:

S.N. Name Designation Organization

1. Mr. Achyut P. Pradhan Advisor Electrical Engineer, Ex-Executive Director, WECS, Kathmandu 2. Mr. Karuna Gobinda Shrestha Coordinator Electrical Engineer, Power efficiency project, NEA, Kathmandu

3. Mr. Lekh Ratna Shakya Member Secretary Technical Officer, CTEVT, Minbhavan, Kathmandu.

4. Mr. Philip Osborne VSO Member Skill Testing Division, CTEVT, Minbhavan, Kathmandu.

5. Mr. Bhupendra Rai Member Technical Assistant, CTEVT, Minbhavan, Kathmandu

6. Mr. Kapil Upadhyaya Subject Expert, Electrical Engineer, NEA Training Division, Kathmandu

guest member

7. Mr. Maankaji Shrestha Subject Expert Electrical Engineer, MK Shrestha and Associates, New Baneswor, Kathmandu. 8. Mr. Yam Bhandari Subject Expert Electrical Instructor, Balaju Technical Training C enter, Balaju, Kathmandu.

Approved by the Tripartite National Skill Testing Board July 1994


The National Skill Standard and Test was Revised by: No. Name Designation Organization 1. Er. Jayaiswer Man Pradhan Coordinator Electrical Technical Sub Committee National Skill Testing Board (NSTB), Sanothimi, Bhaktapur 2. Dr. Kul Bahadur Basnet Member Director, National Skill Testing Board (NSTB) Sanothimi, Bhaktapur, Nepal 3. Mr. Lekh Ratna Shakya Member Freelancer

Dhalko, Kathmandu 4. Mr. Chitra Bahadur Khadka Member Chief Instructor, Institute of Engineering Pulchowk, Lalitpur 5. Mr. Raghubar Lal Joshi Member HOD Electrical, Balaju School of Engineering & Technology Balaju, Kathmandu 6. Er. Prajwal Shakya Member Electrical Engineer, Prabeen Electricals Patan Industrial Estate, Lalitpur 7. Mr. Tulsi K.C. Facilitator Sr. Skill Testing Officer, National Skill Testing Board (NSTB) Sanothimi, Bhaktapur, Nepal 8. Mr. Suresh Maharjan Facilitator Skill Testing Officer, National Skill Testing Board (NSTB) Sanothimi, Bhaktapur, Nepal 9. Mr. Yam Bhandari Member Secretary Electrical Technical Sub Committee National Skill Testing Board (NSTB), Sanothimi, Bhaktapur

Recommended by Electrical Technical Sub Committee: 2014 September


The National Occupational Skill Standard Developed by: No Name Designation Organization

1. Er. Jayaiswer Man Pradhan Coordinator Electrical Technical Sub Committee National Skill Testing Board, Sanothimi, Bhaktapur

2. Mr. Tek Bahadur Malla Director National Skill Testing Board Sanothimi, Bhaktapur

3. Er. Ladhuram Tamang Member Hyonajn Electrical Pvt., Ltd Balaju Industrial Estate, Balaju, Kathmandu

4. Mr. Chitra Bahadur Khadka Member Kathmandu Engineering College Kalimati, Kathmandu

5. Er. Binindra Shrestha Member Clean Power Pvt., Ltd Patan Industrial Estate, Lagankhel, Lalitpur

6. Er. Saurav Shakya Member Maxwell Engineering Pvt Ltd Swayambhu, Kathmandu

7. Mr. Raghubar Lal Joshi Member Balaju School of Engineering and Technology Balaju, Kathmandu

8. Mr. Kishor Chandra Sharma Member National Skill Testing Board Sanothimi, Bhaktapur

9. Mr. Prem Chandra Pokhrel Member-Secretary Electrical Technical Sub Committee National Skill Testing Board, Sanothimi, Bhaktapur

10. Mr. Tulsi KC Member Sr. Skill Testing Officer National Skill Testing Board, Sanothimi, Bhaktapur

11. Mr. Suresh Maharjan Member Skill Testing Officer National Skill Testing Board, Sanothimi, Bhaktapur

Recommended by Electrical Technical Sub Committee: 07 July 2020 (23 Ashadh 2077)


1 Occupational Title: Industrial Electrician Level: 3

2 Job Description:

Industrial Electrician, L-3 plans, designs, estimates, installs, commissions, maintains, repairs, and tests industrial electrical light, power and

distribution system, generator/backup system, substation equipment, motor control system, lightning protection, earthing system for industrial

electrical wiring system.

UNITS OF COMPETENCY:

1. Plan for industrial electrical wiring system.

2. Design for industrial electrical wiring system.

3. Prepare estimate for industrial electrical works.

4. Install industrial electrical light, power and distribution system.

5. Install generator set/backup system.

6. Install substation equipment.

7. Install industrial motor control system.

8. Install lightning protection system at industrial premises.

9. Install earthing/grounding system.

10. Test and commission of industrial electrical installation.

11. Maintain and repair industrial electrical system.

12. Perform communication.

13. Develop professionalism.

*Note: Unit 12 and 13 are not for testing purpose.


4

Qualifying Notes/Prerequisites:

Physical Requirements: Sound health

Entry Requirements: As per NSTB rules. Additional Information: Assessment Types: Performance and Written Test

Assessment Duration: 14 to 18 Hrs Recommended Group Size: 6 to 8 candidates


5 Unit No: 1 Unit Title: Plan for industrial electrical wiring system

Unit code:

Elements of competency Performance standards

1.1 Perform/carry out site survey

1.1.1 Checklist prepared for site survey.

1.1.2 Meeting conducted with stakeholder/customer and requirement collected.

1.1.3 Walkthrough inspection performed on worksite.

1.1.4 Data for electrical installation collected through walkthrough inspection.

1.2 Prepare field report

1.2.1 Meeting conducted with stakeholder and data collected.

1.2.2 Preliminary field report prepared with relevant technical information.

1.2.3 Report presented and submitted to concern personnel/department.

6 Task Performance Requirements (Tools, Equipment and Materials):

Pencil, scale/ruler, eraser, survey checklist, paper, sharpener, register, computer, printer and Personal Protective Equipment (PPE).

7 Safety and Hygiene (Occupational Health and Safety):

Use Personal Protective Equipment (PPE).

Safe handling of materials, tools and equipment.


8 Required Knowledge

Technical Knowledge Applied Calculation Graphical Information

Importance of planning

Purpose of planning

Surveying

o Purpose

o Types

o Method

Stakeholder

Data collection technique

Meeting and Meeting minutes

Report writing

o Introduction

o Purpose

o Types

o Method

Perform four basic mathematical

calculations

Convert metric unit to imperial and

vice versa

Read and interpret electrical

drawings.

Read and interpret instruction

guide/manual.


9 Assessment of Competency

Unit: 1

Unit Title: Plan for industrial electrical wiring system

Candidate Details Assessors Detail

Candidate’s Name:

Registration Number:

Symbol No:

Test Centre: Test Date:

Assessors' Name

1.

2.

3.

ID/License No:

Element of competency Performance Standards Standard

Met Standard Not Met

Evidence Type

Comments

1.1 Perform/carry out site survey

1.1.1 Checklist prepared for site survey.

1.1.2 Meeting conducted with stakeholder/customer and

requirement collected.

1.1.3 Walkthrough inspection performed on worksite.

1.1.4 Data for electrical installation collected through

walkthrough inspection.

1.2 Prepare field report

1.2.1 Meeting conducted with stakeholder and data collected.

1.2.2 Preliminary field report prepared with relevant technical

information.

1.2.3 Report presented and submitted to concern

personnel/department.

WT- Written Test OQ- Oral Question PT- Practical Test DO – Direct Observation SR- Supervisor’s report SN–Simulation

RP- Role Play PG –Photographs VD- Video CT – Certificates TS – Testimonials (Reward) PP – Product Produced

CS – Case Study


Range Statement

Variable Range

Data May include but not limited to:

Site location Voltage level

Distance of supply source Location of load centre/control room Land information/Architectural plan

Technical information May include but not limited to:

Field status Obstacle seen in worksite

Technical options Cost estimation

Recommendation and conclusion


5 Unit No: 2 Unit Title: Design for industrial electrical wiring system

Unit code:


2.1 Prepare electrical layout diagram

2.1.1. Electrical design requirements collected from field report.

2.1.2. Each component/electrical equipment designed as per relevant industry standards and scope of

the project

2.1.3. Position of electrical equipment, fittings and accessories clearly marked and mentioned.

2.1.4. Each point and circuits clearly mentioned individually using relevant standard symbols and legends.

2.1.5. Power system layout prepared separately as per design requirement.

2.2 Draw connection/wiring diagram

2.3.1. Light circuits, power circuits and industrial power circuits separately prepared considering not

more than 10 light points in light circuit and 3 power points in power circuit.

2.3.2. Circuit for halogen lamps and special power points prepared considering its wattage.

2.3.3. Phase line connected to protective and control device.

2.3 Perform load calculation

2.4.1 Data required for load calculation determined as per layout diagram.

2.4.2 Load calculated considering lamp load, power load, and industrial power load and distribution

transformer.

2.4.3 Rating calculated based on load calculation.

2.4 Prepare single line diagram

2.2.1. Single line diagram prepared from utility supply to main distribution board/panel boards.

2.4.4 Single line diagram prepared from main distribution board/panel board to sub distribution boards

(SDBs) including number and size of conductors, indicating devices/instruments, protective

devices, controlling devices with ratings.


Pencil, scale/ruler, eraser, drawing paper, template, drawing set, sharpener, paper, calculator, computer, printer and Personal Protective Equipment (PPE).





Hazards associated with sharp cutting tools.




Drawing instrument and materials

o Introduction

o Types

o Guidelines

Basic architectural drawing

Electrical symbols and legends

Electrical diagrams

o Layout diagram

o Connection diagram

o Single line diagram

Load estimation/calculation

o Light/Illumination calculation

o Load calculation (Power outlets, equipment, special

requirement)

Load balancing

National building codes

Local products and materials standards

Design consideration (Flexibility, Reliability, Safety, Cost

Optimize, Energy efficiency, Space allocation, special

requirements)

System voltage

Grounding and ground fault protection

Industrial wiring design procedure

Convert metric unit to

imperial and vice versa

Calculate cable size

Calculate capacity and load

Calculate voltage drop

Calculate power factor

Calculate fault current

Calculate energy loss

Read and interpret electrical

drawings


guide/manual


catalogue

Read and interpret

architectural drawing



Unit: 2

Unit Title: Design for industrial electrical wiring system


Candidate’s Name:


Symbol No:


Assessors' Name

1.

2.

3.

ID/License No:



Evidence Type

Comments

2.1 Prepare electrical

layout diagram

2.1.1. Electrical design requirements collected from field

report.

2.1.2. Each component/electrical equipment designed as per

relevant industry standards and scope of the project

2.1.3. Position of electrical equipment, fittings and accessories

clearly marked and mentioned.

2.1.4. Each point and circuits clearly mentioned individually

using relevant standard symbols and legends.

2.1.5. Power system layout prepared separately as per design

requirement.

2.2 Draw connection/wiring

diagram

2.3.1. Light circuits, power circuits and industrial power circuits

separately prepared considering not more than 10 light

points in light circuit and 3 power points in power circuit.

2.3.2. Circuit for halogen lamps and special power points

prepared considering its wattage.


2.3.3. Phase line connected to protective and control device.

2.3 Perform load

calculation

2.3.1 Data required for load calculation determined as per

layout diagram.

2.3.2 Load calculated considering lamp load, power load, and

industrial power load and distribution transformer.

2.3.3 Rating calculated based on load calculation.

2.4 Prepare single line

diagram

2.4.1. Single line diagram prepared from utility supply to main

distribution board/panel boards.

2.4.2. Single line diagram prepared from main distribution

board/panel board to sub distribution boards (SDBs)

including number and size of conductors, indicating

devices/instruments, protective devices, controlling

devices with ratings.



CS – Case Study


Range Statement

Variable Range

Electrical design requirements May include but not limited to:

Architectural drawing Machine Location

Power source Nature of industry

Component/electrical equipment May include but not limited to:

Switch gear Electrical protection

Cable tray Wire duct

Ladder

Scope of the project May include but not limited to:

General office area

Specialize office equipment and machinery Power distribution equipment Lighting systems

Power system layout May include but not limited to:

Power point layout Light point layout

Industrial power point layout Cable route layout


Earth point layout

Data May include but not limited to:

Number of light points with wattage

Number of power points with wattage Breaker size Voltage


5 Unit No: 3

Unit Title: Prepare estimate for industrial electrical work Unit code:


3.1 Prepare bill of quantity 3.1.1 Electrical drawing and specification reviewed for estimation.

3.1.2 Each item mentioned with its technical specification, rating and quantity.

3.2 Prepare cost analysis

3.2.1 Authorized rate analysis document and market price list collected.

3.2.2 Unit cost and labor cost calculated.

3.2.3 Rate analysis prepared including material, labor, overhead, transportation, rental and taxes.


Pencil, scale/ruler, eraser, sharpener, authorized rate analysis sheet, reference catalogue, paper, computer, printer, calculator, template, compass and Personal Protective Equipment (PPE).







Estimation and costing

o Introduction

o Importance

o Components

Government taxes

Contractor's overhead

Contingencies

Tender form/documentation

Public procurement act and guidelines

Government/market rate and rate analysis

Variation in cost estimation

Cost estimate/abstract of cost (ABS)

Resource scheduling

Bill of Quantity

Labor/material cost

Transportation cost

Estimate quantity of

materials

Calculate cost of materials

and labour

Calculate contingencies and

overhead charges

Read and interpret

manual/instructional guide.

Read and interpret

government/market rate



Unit: 3

Unit Title: Prepare estimating for industrial electrical work


Candidate’s Name:


Symbol No:


Assessors' Name

1.

2.

3.

ID/License No:



Evidence Type Comments

3.1 Prepare bill of quantity

3.1.1 Electrical drawing and specification reviewed for

estimation.

3.1.2 Each item mentioned with its technical

specification, rating and quantity.

3.2 Prepare cost analysis

3.2.1 Authorized rate analysis document and market price

list collected.

3.2.2 Unit cost and labor cost calculated.

3.2.3 Rate analysis prepared including material, labor,

overhead, transportation, rental and taxes.



CS – Case Study


5 Unit No: 4 Unit Title: Install industrial electrical light, power and distribution system Unit code:


4.1 Prepare shop drawing 4.2.1 Layout diagram and design reviewed as per site inspection.

4.2.2 Shop diagram/As built drawing prepared.

4.2 Install panel/DB 4.2.3 Panel/DB checked for physical damage.

4.2.4 ON/OFF and continuity checked.

4.2.5 Panel/DB firmly mounted as per shop drawing.

4.2.6 Wires/cables prepared for termination and connected to panel/DB without damaging

conductor.

4.2.7 Phase wire securely connected to fuse/MCB.

4.2.8 Earth wire connected to Panel/DB body or Earth connector.

4.2.9 Neutral wire connected to neutral bus bar/neutral connector.

4.3 Install main switch and change over switch 4.3.1 Main switch and change over switch checked for physical damage.


4.3.3 Main switch and change over switch firmly mounted as per shop drawing.

4.3.4 Wires/cables prepared for termination and connected to main switch and change

over switch without damaging conductor.

4.3.5 Incoming and outgoing wires/cables connected as per shop drawing.

4.3.6 Earth wire connected to main switch and change over switch body.

4.4 Perform surface and conceal wiring 4.4.1 Worksite prepared for wiring.

4.4.2 Ceiling, wall and floor clearly marked as per layout diagram for wiring.

4.4.3 Electrical fittings, power outlet, cables and accessories checked for physical damage.

4.4.4 Ceiling, wall and floor chiseled/grooved along the mark as per diagram.

4.4.5 Duct, conduit, tray selected as per shop drawing and firmly fixed along the marked

place.

4.4.6 Outlet boxes firmly fixed on line and level.


4.4.7 Wires/cables laid as per shop drawing as per standard color code.

4.4.8 Wires and cables tagged at both ends.

4.4.9 Chiseled/Grooved route filled flush to surface.

4.4.10 Spare wire/cable provided as required.

4.4.11 Insulation removed at the termination point without damaging conductor.

4.4.12 Wires/cables securely connected to light fixtures, power outlet and accessories as

per connection diagram.

6. Task Performance Requirements (Tools, Equipment and Materials): Spirit level, measuring tape, screw driver set, hammer, knife, adjustable wrench, nose plier, chisel, wire striper, combination plier, side

cutter, tool bag, safety signs, phase tester, wall cutter, wall plugs/grips, screw, extension cable, hacksaw, wire puller jaw, Allen key, ratchet

set, wires/cable, glands, panel board, marking scriber, cable cutter, file, drill machine with bit, cable shoes, crimping tools, shovel, pan, pick,

cement, sand, trowel, clamp on meter, multimeter, Vernier calliper, insulation tester, file, one-way switch, two-way(alternate) switch, Push

bottom switch, glands, Intermediate switch, DOL Switch, Change over switch, switch plate, indicator, socket outlet, holder, ceiling rose, fan

regulator/dimmer switch, PVC duct/conduit, trunk, cable tray, cable ladder, tube light set, main switch, DB box, switch box, cable tie,

connector, MCB (SP, DP, TP, TPN), HRC fuse and circuit breaker, busbar, energy meter, saddle, circular box, junction box, PVC T, PVC elbow,

fan, scaffolding materials (props, runners, stage, bracer, rope), wheel barrow, Ferule marking, fish wire, insulation tape and PPE.

7. Safety and Hygiene (Occupational Health and Safety):



Hazards involved in lifting materials, tools and equipment.


Hazards associated with electrical works.

Take precaution while working on live wire.




Tools and equipment:

o Types

o Uses

o Safe handling

Types of wiring

Load and power requirement

Load center

Supply system

Electrical parameters

Relation between voltage, current, resistance, power,

energy and power factor

Electrical accessories, materials and equipment

Preparation for electrical distribution system and

equipment

Electrical safety and hazards

Electrical circuit and diagram

Single/three phase system

Lighting fixtures and their types

Illumination level

Utilization and maintenance factor

Distribution system:

o Introduction and types

o Function

o Installation procedure

Read and interpret

drawing/electrical diagrams.

Read and interpret


Read and interpret current

rating chart.


o Utility and machine load

o Electrical ratings

Distribution/panel board:

o Introduction and types

o Function

o Installation procedure

o IP level

o Electrical ratings

Protective, controlling and switching device



Unit: 4

Unit Title: Install industrial electrical light, power and distribution system


Candidate’s Name:


Symbol No:


Assessors' Name

1.

2.

3.

ID/License No:



Evidence Type

Comments

4.1 Prepare shop drawing 4.2.1 Layout diagram and design reviewed as per site

inspection.


4.2 Install Panel/DB 4.2.1 Panel/DB checked for physical damage.


4.2.3 Panel/DB firmly mounted as per shop drawing.

4.2.4 Wires/cables prepared for termination and connected

to panel/DB without damaging conductor.

4.2.5 Phase wire securely connected to fuse/MCB.

4.2.6 Earth wire connected to Panel/DB body or Earth

connector.

4.2.7 Neutral wire connected to neutral bus bar/neutral

connector.

4.3 Install main switch and change over switch

4.3.1 Main switch and change over switch checked for

physical damage.



4.3.3 Main switch and change over switch firmly mounted as

per shop drawing.

4.3.4 Wires/cables prepared for termination and connected

to main switch and change over switch without

damaging conductor.

4.3.5 Incoming and outgoing wires/cables connected as per

shop drawing.

4.3.6 Earth wire connected to main switch and change over

switch body.

4.4 Perform surface and conceal wiring

4.4.1 Worksite prepared for wiring.

4.4.2 Ceiling, wall and floor clearly marked for as per layout

diagram for wiring.

4.4.3 Electrical fittings, power outlet, cables and accessories

checked for physical damage.

4.4.4 Ceiling, wall and floor chiseled/grooved along the mark

as per diagram.

4.4.5 Duct, conduit, tray selected as per shop drawing and

firmly fixed along the marked place.

4.4.6 Outlet boxes firmly fixed on line and level.

4.4.7 Wires/cables laid as per shop drawing as per standard

color code.

4.4.8 Wires and cables tagged at both ends.

4.4.9 Chiseled/Grooved route filled flush to surface.

4.4.10 Spare wire/cable provided as required.

4.4.11 Insulation removed at the termination point without

damaging conductor.


4.4.12 Wires/cables securely connected to light fixtures,

power outlet and accessories as per connection

diagram.



CS – Case Study


Range Statement

Variable Range

Wires/cables prepared for termination May include but not limited to: Cutting/splicing

Insulation removal Managing spare wire Tagging/Ferrule

Crimping cables shoe Fixing cable glands

Fixing cable lugs

Spare wire/cable May include but not limited to: Switch/Socket box: 150 to 300 mm

DB: 300 to 600 mm Panel board: 300 to 600 mm Light fixtures: 150 to 300 mm

Motor: 300 to 600 mm


5 Unit No: 5 Unit Title: Install generator set/backup system

Unit code:




5.2 Install change over switch/auto mains failure (AMF) unit

5.2.1 Change over switch/ Auto mains checked for physical Status.


5.2.3 Main switch and change over switch firmly mounted as per shop drawing.

5.2.4 Wires/cables prepared for termination and connected to main switch and change over

switch without damaging conductor.

5.2.5 Incoming and outgoing wires/cables connected as per shop drawing.

5.2.6 Earth wire connected to change over switch/ Auto mains body.

5.3 Install UPS/invertor and backup wiring

5.3.1 Full/partial light and power points selected for backup.

5.3.2 Full/Backup distribution board firmly mounted as per shop drawing/manual.

5.3.3 Separate wire laid for backup light and power points as per diagram.

5.3.4 Battery and invertor checked as per specification and installed in ventilated and damp

free place.

5.3.5 Battery connected as per voltage/amp hour required.

5.3.6 Wires/cables prepared for termination and connected to battery and invertor terminals

without damaging conductor.

5.3.7 Performance of invertor tested.

5.4 Install generator

5.4.1 Generator checked as per specification and installed in ventilated and damp free place.

5.4.2 Trunk/ducts/ladder fixed as per shop drawing.

5.4.3 Power cables and control wires laid as per capacity of generator.

5.4.4 Wires/cables prepared for termination and connected to generator terminals, DBs

without damaging conductor according to shop drawing and manual.

5.4.5 Separate earth electrode connected to generator neutral, body, main panel board, DBs


and change over switch.

5.4.6 Operation of generator checked under supervision.


Change over switch, Generator, UPS/ Invertor, panel board, wires, cables, gland, tow chain, measuring tape, spirit level, screw driver set, hammer, knife, adjustable wrench, chisel, wire striper, plier, side cutter, tool bag, phase tester, hydrometer, battery tester, phase sequence meter, multimeter, clamp on meter, wall cutter, wall plugs/grips, extension cable, hacksaw, cable shoes, crimping tools, shovel, pan, pick, cement, sand, trowel, AMF, battery, main switch, electrical hand drill machine with bit, trunk, duct, ladder, cable tie, scaffolding materials (props, runners, stage, bracer, rope), wheel barrow, Ferule marking, fish wire, insulation tape and PPE.











Backup system: o Backup source (Generator, PV Solar, Inverter) o Backup types o Selection o Manual/automatic

• Supply system: o Introduction o Types (AC and DC) o Single and three phase distribution

DC power system

o Introduction

o Types

o Application

o Connection

UPS/Invertor/ Solar system o Introduction

o Types

o Application

o Connection

Generator

o Introduction

o Types

o Working principle and construction

o Major components and their function

o Installation standards and procedure

Read and interpret drawing.

Read and interpret




Unit: 5

Unit Title: Install generator set/backup system


Candidate’s Name:


Symbol No:


Assessors' Name

1.

2.

3.

ID/License No:



Evidence Type

Comments



5.2 Install change over switch/auto mains failure (AMF) unit

5.2.1 Change over switch/ Auto mains checked for physical

Status.


5.2.3 Main switch and change over switch firmly mounted as per

shop drawing.

5.2.4 Wires/cables prepared for termination and connected to

main switch and change over switch without damaging

conductor.

5.2.5 Incoming and outgoing wires/cables connected as per shop

drawing.

5.2.6 Earth wire connected to change over switch/ Auto mains

body.


5.3 Install UPS/invertor and backup wiring

5.3.1 Full/partial light and power points selected for backup.

5.3.2 Full/Backup distribution board firmly mounted as per shop

drawing/manual.

5.3.3 Separate wire laid for backup light and power points as per

diagram.

5.3.4 Battery and invertor checked as per specification and

installed in ventilated and damp free place.

5.3.5 Battery connected as per voltage/amp hour required.


battery and invertor terminals without damaging

conductor.

5.3.7 Performance of invertor tested.

5.4 Install generator 5.4.1 Generator checked as per specification and installed in

ventilated and damp free place.

5.4.2 Trunk/ducts/ladder fixed as per shop drawing.

5.4.3 Power cables and control wires laid as per capacity of

generator.


generator terminals, DBs without damaging conductor

according to shop drawing and manual.

5.4.5 Separate earth electrode connected to generator neutral,

body, main panel board, DBs and change over switch.

5.4.6 Operation of generator checked under supervision.



CS – Case Study


Range Statement

Variable Range

Physical status May include but not limited to:

Fire burn

Melting Damage Breakage

Loose connection Disconnection

Wires/cables prepared for termination May include but not limited to:

Cutting/splicing Insulation removal

Managing spare wire Tagging/Ferrule

Crimping cables shoe Fixing cable glands Fixing cable lugs


5 Unit No:6 Unit Title: Install substation equipment

Unit code:


6.1 Install pole mounting transformer and equipment

6.1.1 Site selected and worksite prepared for installation. 6.1.2 Transformer pole prepared for mounting. 6.1.3 Double pole structure erected as per relevant standard. 6.1.4 11 KV gang operated switch, drop out fuse, 9KV lightning arrestor, pin and

disc insulators installed/wired on pole structure.

6.1.5 Lighting arrestor grounded.

6.1.6 Transformer structures mounted on pole.

6.1.7 Low tension (LT) side MCCBs panel mounted.

6.1.8 Transformer neutral and body earthing installed.

6.2 Install pad mounting transformer and equipment

6.2.1 Foundation prepared and transformer mounted on pad.

6.2.2 Double pole structure erected as per relevant standard. 6.2.3 11 KV gang operated switch, drop out fuse/Vacuum circuit breaker (VCB),

9KV lightning arrestor, pin and disc insulators set installed/wired on pad

structure.




6.3 Install HT/LT metering units and meters

6.3.1 Current and potential transformer (CT/PT) connected.

6.3.2 Time of day (TOD) energy meter connected.

6.3.3 Energy meter connected.

6.4 Install capacitor bank

6.4.1 Capacitor bank checked for physical damage and verified as per design specification.

6.4.2 Pad prepared and capacitor bank mounted on pad.

6.4.3 Fuse cutout/Circuit breaker and capacitor fixed as per drawing.

6.4.4 Wires/Cables prepared for termination and connected to capacitor bank


terminals.

6.4.5 Earth electrode connected.

6.5 Install switch gears

6.5.1 Switch gears for physical damage and verified as per design specification. 6.6.1 Switch gears mounted as per shop drawing. 6.6.2 Trunk/ducts/ladder fixed as per layout diagram. 6.6.3 Power cables/wires laid as per load and switch gears capacity. 6.6.4 Wires/Cables prepared for termination and connected to switch gears

terminal. 6.6.5 Earth electrode separately connected to switch gears neutral, body, main

panel board. 6.6.6 Operation of switch gears checked under supervision.


Pole, transformer, switch gears, capacitor bank, HT/LT meter, measuring tape, plumb-bob, drill machine, drill bits, screw, trowel, shovel, pan, screw driver set, hammer, knife, chisel, spirit level, wire striper, pliers, adjustable wrench, side cutter, tool bag, multi meter, continuity tester, insulation tester, phase tester, Earth resistance tester, safety block extension cord, hacksaw, PVC duct/conduit, wire, cable, TP, TPN MCB, MCCB, LT side MCCB panel, cable cutter, crimping tools, gang switch, pin insulator, disc insulator, lightning arrestor, lifting tools, oil tester, insulation tape, DO fuse, insulator stay wire set, cable shoes, cross arm, pole, ACSR conductor, cement, sand, aggregate, foundation set, grounding test set, HV operating rod, wire puller and frog clamp/jaw, ladder, CT, PT, TOD meter, three phase meter, protective device and PPE.







Switch OFF main supply during test commission.

Follow safety measures




Sub-station

o Introduction

o Types

o Importance

o Equipment

o Substation site condition

Electrical distribution system

o Introduction

o Diagram

o Integrated Nepal power system (INPS)

Transformer:

o Introduction

o Working principle and construction

o Types

o Components and their function

CT/PT unit

o Introduction

o Accuracy class

o Ratio

o Burden

o Selection

Power distribution system

o Feeder and branch

o Ring main feeder

Calculate electrical

parameters

Read and interpret



o Isolator/sectionalizer switch

o Insulator and its types

o Pole

Over current and earth fault protection

Types of load (Inductive, Resistive, Capacitive)

Capacitor

o Introduction

o Types

o Use

o Importance



Unit: 6

Unit Title: Install substation equipment


Candidate’s Name:


Symbol No:


Assessors' Name

1.

2.

3.

ID/License No:




6.1 Install pole mounting transformer and equipment

6.1.1 Site selected and worksite prepared for installation. 6.1.2 Transformer pole prepared for mounting. 6.1.3 Double pole structure erected as per relevant

standard. 6.1.4 11 KV gang operated switch, drop out fuse, 9KV

lightning arrestor, pin and disc insulators

installed/wired on pole structure.


6.1.6 Transformer structures mounted on pole.



6.2 Install pad mounting transformer and equipment

6.2.1 Foundation prepared and transformer mounted on

pad.

6.2.2 Double pole structure erected as per relevant standard.


6.2.3 11 KV gang operated switch, drop out fuse/Vacuum

circuit breaker (VCB), 9KV lightning arrestor, pin and

disc insulators set installed/wired on pad structure.




6.3 Install HT/LT metering units and meters

6.3.1 Current and potential transformer (CT/PT)

connected.

6.3.2 Time of day (TOD) energy meter connected.

6.3.3 Energy meter connected.

6.4 Install capacitor bank

6.4.1 Capacitor bank checked for physical damage and verified as per design specification.

6.4.2 Pad prepared and capacitor bank mounted on pad.

6.4.3 Fuse cutout/Circuit breaker and capacitor fixed as

per drawing.

6.4.4 Wires/Cables prepared for termination and

connected to capacitor bank terminals.

6.4.5 Earth electrode connected.

6.5 Install switch gears

6.5.1 Switch gears for physical damage and verified as per design specification.

6.5.2 Switch gears mounted as per shop drawing. 6.5.3 Trunk/ducts/ladder fixed as per layout diagram. 6.5.4 Power cables/wires laid as per load and switch

gears capacity. 6.5.5 Wires/Cables prepared for termination and

connected to switch gears terminal. 6.5.6 Earth electrode separately connected to switch

gears neutral, body, main panel board. 6.5.7 Operation of switch gears checked under


supervision.



CS – Case Study


Range Statement

Variable Range

Transformer structure May include but not limited to:

Cross-arms Insulator

Stay wire Pad Platform

Wires/cables prepared for termination May include but not limited to:

Cutting/splicing Insulation removal

Managing spare wire Tagging/Ferrule



5 Unit No: 7 Unit Title: Install industrial motor control system

Unit code:


7.1 Fabricate and install three phase electromagnetic forward reverse motor starter

7.1.1. Motor and forward reverse starter components checked for physical

damage.

7.1.2. Continuity and insulation resistance of forward reverse starter components

checked and mounted.

7.1.3. Trunk/ducts/raceway fixed.

7.1.4. Size of power and control cable selected and laid firmly.

7.1.5. Wires/cables prepared for termination and connected as per connection diagram without damaging conductor.

7.1.6. Earth electrode directly connected to body of motor and starter.

7.1.7. Operation of induction motor checked for clock wise and anti-clock wise

rotation under supervision.

7.2 Fabricate and install star/delta automatic electromagnetic motor starter

7.2.1. Motor and automatic star/delta starter components checked for physical

damage.

7.2.2. Continuity and insulation resistance of star/delta starter components

checked and mounted.


7.2.4. Size of power and control cable selected and laid firmly.

7.2.5. Wires/cables prepared for termination and connected as per connection

diagram without damaging conductor.

7.2.6. Earth electrode directly connected to body of motor and starter.

7.2.7. Operation of induction motor checked for star delta condition under

supervision.

7.3 Install Programmable Logic Controller (PLC) for induction motor control

7.3.1. Power circuit diagram, control circuit diagram and function block diagram

prepared according to task requirement.

7.3.2. Program uploaded in PLC.


7.3.3. Functionality of program checked.

7.3.4. Motor, PLC and starter components checked for physical damage.

7.3.5. Continuity and insulation resistance of PLC and starter components checked

and mounted.


7.3.7. Size of power and control cable selected and lay firmly.

7.3.8. Wires/cables prepared for termination and connected as per connection

diagram without damaging conductor.

7.3.9. Earth electrode directly connected to body of motor and board.

7.3.10. Operation of induction motor checked for DOL motor control/forward and

reverse under supervision.


Spirit level, measuring tape, screw driver set, hammer, knife, adjustable wrench, chisel, wire striper, pliers, side cutter, tool bag, phase tester, wall cutter, wall plugs/grips, screw, extension cable, hacksaw, Allen key, ratchet set, cable cutter, file, drill machine with bit, cable shoes, crimping tools, push bottom switch, indicator, socket outlet, holder, PVC duct/conduit, trunk, main switch, DB box, switch box, connector, PLC, MCB (SP, DP, TP, TPN), busbar, induction motor, PLC, manual star/delta switch, contactor, cable glands, bi-metal relay,timer, indicators, wire/cable, insulation tape, tagging material, clamp on meter, multimeter, tachometer, phase sequence meter, energy meter, saddle, circular box, junction box, PVC Tee, PVC long bend, enclose box, raceway, computer, induction meter, insulation tester, scaffolding materials (props, runners, stage, bracer, rope)and PPE.











Motor control system

o Introduction

o Types

o Connection

o Starting method

Induction motor

o Introduction

o Types

o Application

o Connection (Star and Delta, forward/reverse, star delta

starting, DOL)

Programmable Logic Controller (PLC)

o Introduction

o Application

o Basic logic circuit and symbol

o Logic gate

o Truth table

Protective, controlling and switching device

o Introduction

o Types

o Application

DC motor

o Introduction

o types

o Application


parameters

Read and interpret


Read and interpret circuit

diagram


o Working principle

Relay

o Introduction

o Types

o Application

o Working principle

Contactors

o Introduction

o Types

o Application

o Working principle

CT/PT

o Ratio

o Connection

o Types



Unit: 7

Unit Title: Install industrial motor control system


Candidate’s Name:


Symbol No:


Assessors' Name

1.

2.

3.

ID/License No:




7.1 Fabricate and install three phase electromagnetic forward reverse motor starter

7.1.1. Motor and forward reverse starter components

checked for physical damage.

7.1.2. Continuity and insulation resistance of forward

reverse starter components checked and mounted.


7.1.4. Size of power and control cable selected and laid

firmly.

7.1.5. Wires/cables prepared for termination and connected as per connection diagram without damaging conductor.

7.1.6. Earth electrode directly connected to body of motor

and starter.

7.1.7. Operation of induction motor checked for clock

wise and anti-clock wise rotation under supervision.


7.2 Fabricate and install star/delta automatic electromagnetic motor starter

7.2.1. Motor and automatic star/delta starter

components checked for physical damage.

7.2.2. Continuity and insulation resistance of star/delta

starter components checked and mounted.


7.2.4. Size of power and control cable selected and laid

firmly.

7.2.5. Wires/cables prepared for termination and

connected as per connection diagram without

damaging conductor.


and starter.

7.2.7. Operation of induction motor checked for star delta

condition under supervision.

7.3 Install Programmable Logic Controller (PLC) for induction motor control

7.3.1. Power circuit diagram, control circuit diagram and

function block diagram prepared according to task

requirement.

7.3.2. Program uploaded in PLC.

7.3.3. Functionality of program checked.

7.3.4. Motor, PLC and starter components checked for

physical damage.

7.3.5. Continuity and insulation resistance of PLC and

starter components checked and mounted.


7.3.7. Size of power and control cable selected and lay

firmly.

7.3.8. Wires/cables prepared for termination and


connected as per connection diagram without

damaging conductor.


and board.

7.3.10. Operation of induction motor checked for DOL

motor control/forward and reverse under

supervision.



CS – Case Study


Range Statement

Variable Range

Forward reverse starter components May include but not limited to: Electromagnetic contactor

Bi-metal relay Circuit breaker (MCB/MCCB) Fuse

ON/OFF push button Switch

Indicator lamp Measuring instrument CT

Selector switch Connector

Wires/cables prepared for termination May include but not limited to: Cutting/splicing

Insulation removal Managing spare wire Tagging/Ferrule



Automatic star/delta starter components May include but not limited to: Electromagnetic contactor

Bi-metal relay Timer Circuit breaker (MCB/MCCB)

Fuse ON/OFF push button Switch

Indicator lamp Measuring instrument

CT Selector switch Connector

PLC and starter components May include but not limited to:

PLC Relay

Magnetic contactor Circuit breaker (MCB/MCCB)

Fuse ON/OFF push button Switch

Indicator lamp Measuring instrument CT

Selector switch Connector


5 Unit No: 8 Unit Title: Install lightning protection system at industrial premises

Unit code:


8.1 Install lightning arrestor

8.1.1 Location for lightning arrestor identified as per diagram.

8.1.2 Foundation marked and prepare for erection.

8.1.3 Mast and lightning arrestor erected.

8.1.4 Stay wires installed as required.

8.2 Install down conductor

8.2.1 Down conductors selected.

8.2.2 Routes for down conductor marked as per layout.

8.2.3 Down conductor laid along the marked routes.

8.3 Install earth electrode

8.3.1 Earthing location selected.

8.3.2 Earth electrodes erected as per diagram.

8.3.3 Lightning arrestor, down conductor and earth electrodes connected as per diagram.

8.4 Test lightning system 8.4.1 Earth resistance tested.

8.4.2 Continuity of lightning system checked.


Measuring tape, spirit level, screw driver set, hammer, knife, adjustable wrench, chisel, wire striper, pliers, side cutter, tool bag, phase tester, wall cutter, wall plugs/grips, extension cable, hacksaw, earth wire/cable, insulation tester, lightning arrestor, mast, copper strip, Earthing plate, Earthing rod, Earth resistance tester, CB, charcoal, funnel, cable shoes, crimping tools, hand drill machine, shovel, pan, pick, cement, sand, GI pipe(19 mm), PVC pipe, insulation tape, scaffolding materials and PPE.












Lightning protection system

o Introduction and function

o Importance

o Components

Lightning arrestor:

o Introduction

o Importance

o Types

o Method

o Methods of improvement

Earthing

o Introduction

o Types

o Importance

o Materials

o Method

o Purpose


Read and interpret




Unit: 8

Unit Title: Install lightning protection system at industrial premises


Candidate’s Name:


Symbol No:


Assessors' Name

1.

2.

3.

ID/License No:



Evidence Type

Comments

8.1 Install lightning arrestor

8.1.1 Location for lightning arrestor identified as per diagram.

8.1.2 Foundation marked and prepare for erection.

8.1.3 Mast and lightning arrestor erected.

8.1.4 Stay wires installed as required.

8.2 Install down conductor

8.2.1 Down conductors selected.

8.2.2 Routes for down conductor marked as per layout.

8.2.3 Down conductor laid along the marked routes.

8.3 Install earth electrode

8.3.1 Earthing location selected.

8.3.2 Earth electrodes erected as per diagram.

8.3.3 Lightning arrestor, down conductor and earth electrodes

connected as per diagram.

8.4 Test lightning system 8.4.1 Earth resistance tested.

8.4.2 Continuity of lightning system checked.




CS – Case Study


5 Unit No: 9 Unit Title: Install Earthing/grounding system

Unit code:


9.1 Perform plate earthing

9.1.1 Materials prepared for earthing.

9.1.2 Earthing pit of depth not less than 3000 mm prepared as per soil type.

9.1.3 Brazed earth plate placed upright in center.

9.1.4 Pit filled with alternate 150 mm layer of charcoal and soil around the earth plate.

9.1.5 Water funneling system installed.

9.1.6 Soil filled up to the surface level.

9.1.7 Earth resistance tested for acceptable range under supervision.

9.1.8 Earth wire connected with cable shoes to earth point of main panel/distribution box.

9.2 Perform rod earthing

9.2.1 Materials prepared for rod earthing.

9.2.2 A copper rod of minimum length 2500 mm and 12.5mm diameter vertically placed in

the pit, at least 1500mm away from building.

9.2.3 Earth resistance tested for acceptable range under supervision.

9.2.4 Earth continuity wire connected from copper rod to main panel/DB.

9.3 Perform pipe earthing

9.3.1 Materials prepared for pipe earthing.

9.3.2 Earthing pit of depth 2500mm to 3000mm prepared as per soil type.

9.3.3 12mm hole drilled at the distance of 150mm on pipe of minimum 2500mm length and

38mm diameter.

9.3.4 Earth pipe and earth electrode connected and placed vertically in center.

9.3.5 Pit filled with alternate 150 mm layer of charcoal and soil around the earth pipe.



9.3.8 Earth resistance tested for acceptable range.



9.4 Perform chemical earthing

9.4.1 Chemical compound prepared for chemical earthing.

9.4.2 Earthing pit of depth 2000mm to 3000mm prepared as per soil type.

9.4.3 Earth electrode vertically placed in center.

9.4.4 Pit filled with chemical compound.

9.4.5 Inspection pit installed.





Measuring tape, screw driver set, hammer, knife, adjustable wrench, chisel, wire striper, pliers, side cutter, drilling machine, tool bag, phase tester, wall cutter, wall plugs/grips, extension cable, hacksaw, earth wire, insulation tester, Earthing plate, Earthing rod, earthing chemical, Earth resistance tester, heater, voltmeter, ammeter, charcoal, salt, funnel, cable shoes, crimping tools, shovel, pan, pick, cement, sand, GI pipe, PVC pipe, chemical compound, drilling jig, insulation tape, pit cover and PPE.







Take precaution while working on live wire




Tools and equipment

o Types

o Uses

o Safe handling

Earthing:

o Introduction

o Importance

o Types

o Method

o Soil resistivity

o Acceptable earth resistance

o Methods of improvement

o Earthing materials

o Earth testing


Read and interpret


Read and interpret current

rating chart.



Unit: 9

Unit Title: Install earthing/grounding system


Candidate’s Name:


Symbol No:


Assessors' Name

1.

2.

3.

ID/License No:



Evidence Type

Comments

9.1 Perform plate earthing

9.1.1 Materials prepared for earthing.

9.1.2 Earthing pit of depth not less than 3000 mm prepared as

per soil type.

9.1.3 Brazed earth plate placed upright in center.

9.1.4 Pit filled with alternate 150 mm layer of charcoal and soil

around the earth plate.



9.1.7 Earth resistance tested for acceptable range under

supervision.

9.1.8 Earth wire connected with cable shoes to earth point of

main panel/distribution box.

9.2 Perform rod earthing

9.2.1 Materials prepared for rod earthing.

9.2.2 A copper rod of minimum length 2500 mm and 12.5mm

diameter vertically placed in the pit, at least 1500mm away


from building.

9.2.3 Earth resistance tested for acceptable range under

supervision.

9.2.4 Earth continuity wire connected from copper rod to main

panel/DB.

9.3 Perform pipe earthing

9.3.1 Materials prepared for pipe earthing.

9.3.2 Earthing pit of depth 2500mm to 3000mm prepared as per

soil type.

9.3.3 12mm hole drilled at the distance of 150mm on pipe of

minimum 2500mm length and 38mm diameter.

9.3.4 Earth pipe and earth electrode connected and placed

vertically in center.

9.3.5 Pit filled with alternate 150 mm layer of charcoal and soil

around the earth pipe.






9.4 Perform chemical earthing

9.4.1 Chemical compound prepared for chemical earthing.

9.4.2 Earthing pit of depth 2000mm to 3000mm prepared as per

soil type.

9.4.3 Earth electrode vertically placed in center.

9.4.4 Pit filled with chemical compound.

9.4.5 Inspection pit installed.








CS – Case Study


Range Statement

Variable Range

Soil type May include but not limited to:

Dry

Wet

Earth plate May include but not limited to:

Copper plate: 600 mm X 600 mm X 3.15 mm

For other materials: more than copper plate

Acceptable range May include but not limited to:

Domestic: 10 ohm or below

Industry: 5 ohm or below


5 Unit No: 10 Unit Title: Test and commission of industrial electrical installation

Unit code:


10.1 Perform visual inspection 10.1.1 System information collected.

10.1.2 Physical status of industrial electrical wiring system inspected.

10.2 Perform commissioning test

10.2.1 Industrial electrical installation verified with design, drawing, specification

and product manual.

10.2.2 Insulation, polarity and earth resistance tested.

10.2.3 Function of each block and components checked.

10.2.4 Function of complete industrial electrical installation system checked.

10.3 Prepare commissioning report

10.3.1 Commissioning report prepared with relevant information.

10.3.2 Commission report presented and feedback collected.

10.3.3 Final commissioning report submitted to concerned personnel/department.


Extension cable, drill machine with bit, crimping tools, tagging material, multimeter, tachometer, phase sequence meter, energy meter, lux meter, induction motor, scaffolding materials, insulation tester, register, Earth resistance tester, scaffolding materials (props, runners, stage, bracer, rope) and PPE.







Switch OFF main supply during test commission.




Introduction of testing and commissioning

Difference between testing and commissioning

Types of industrial electrical testing

o Continuity testing

o Insulation resistance testing

o HV/LT testing

o Earth continuity testing

o Earth resistivity testing

o Polarity testing

o Transformer oil testing

o Electrical performance testing

o Circuit testing (Open, Short)

o No load and load testing

Testing and commissioning procedure

Testing and commissioning documentation


parameters

Perform unit conversion

Read and interpret


Read and interpret circuit

diagram



Unit: 10

Unit Title: Test and commission of industrial electrical installation


Candidate’s Name:


Symbol No:


Assessors' Name

1.

2.

3.

ID/License No:




10.1 Perform visual inspection

10.1.1 System information collected.

10.1.2 Physical status of industrial electrical wiring system

inspected.

10.2 Perform commissioning test

10.2.1 Industrial electrical installation verified with design,

drawing, specification and product manual.

10.2.2 Insulation, polarity and earth resistance tested.

10.2.3 Function of each block and components checked.

10.2.4 Function of complete industrial electrical

installation system checked.

10.3 Prepare commissioning report

10.3.1 Commissioning report prepared with relevant

information.

10.3.2 Commission report presented and feedback

collected.

10.3.3 Final commissioning report submitted to concerned





CS – Case Study


Range Statement

Variable Range

Relevant information May include but not limited to: Specification of test equipment

Methods of testing Test results Recommendation


5 Unit No: 11 Unit Title: Perform repair and maintenance

Unit code:




11.1.2 Physical status of equipment/industrial wiring system inspected.

11.1.3 Fault identified/located.

11.2 Perform routine checkup

11.2.1 Routine test performed at check point as per checklist. 11.2.2 Checklist maintained. 11.2.3 Function checked for electrical circuit and equipment. 11.2.4 Fault identified/located.

11.3 Diagnose fault

11.3.1 Fault history collected.

11.3.2 Electrical test performed as per fault history.

11.3.3 System checked for electrical circuit and equipment.

11.3.4 Fault located/identified.

11.4 Rectify fault

11.4.1 Power of faulty circuit switched OFF.

11.4.2 Loosen parts and fittings tightened.

11.4.3 Damaged accessories and fittings removed.

11.4.4 Faulty accessories and fittings repaired or replaced.

11.4.5 Power switched ON and functionality tested.

11.5 Prepare report

11.5.1 Repair and maintenance report prepared with relevant information.

11.5.2 Repair and maintenance report presented and submitted to concerned



Measuring tape, spirit level, screw driver set, hammer, knife, adjustable wrench, chisel, wire striper, pliers, side cutter, tool bag, phase tester, clamp on meter, wall cutter, wall plugs/grips, cable, hacksaw, insulation tester, cable shoes, shovel, pan, pick, cement, sand, parts for replacement, extension cable, drill machine with bit, crimping tools, tagging material, multimeter, tachometer, phase sequence meter, energy meter, lux meter, induction motor, insulation tester, register, Earth resistance tester, scaffolding materials and PPE.












Repair and maintenance:

o Introduction

o Importance

o Condition assessment

o Types of maintenance (Corrective and preventive

maintenance)

o Types of fault

o Fault finding techniques

o Electrical tests

o Resolving techniques

o Documentation

Electrical circuit:

o Introduction

o Types (Light, power, sub main, main)

o Condition of circuit (Open, close, short, overload,

earth leakage)


Read and interpret




Unit: 11

Unit Title: Perform repair and maintenance


Candidate’s Name:


Symbol No:


Assessors' Name

1.

2.

3.

ID/License No:



Evidence Type

Comments



11.1.2 Physical status of equipment/industrial wiring system

inspected.

11.1.3 Fault identified/located.

11.2 Perform routine checkup

11.2.1 Routine test performed at check point as per checklist.

11.2.2 Checklist maintained. 11.2.3 Function checked for electrical circuit and equipment. 11.2.4 Fault identified/located.

11.3 Diagnose fault

11.3.1 Fault history collected.

11.3.2 Electrical test performed as per fault history.

11.3.3 System checked for electrical circuit and equipment.

11.3.4 Fault located/identified.

11.4 Rectify fault 11.4.1 Power of faulty circuit switched OFF.

11.4.2 Loosen parts and fittings tightened.


11.4.3 Damaged accessories and fittings removed.

11.4.4 Faulty accessories and fittings repaired or replaced.

11.4.5 Power switched ON and functionality tested.

11.5 Prepare report

11.5.1 Repair and maintenance report prepared with

relevant information.

11.5.2 Repair and maintenance report presented and

submitted to concerned personnel/department.



CS – Case Study


Range Statement

Variable Range

Physical status May include but not limited to:

Fire burn

Melting Damage Breakage

Loose connection Disconnection

Routine test May include but not limited to:

Supply voltage

Load current

Frequency

Power

Electrical test May include but not limited to: Supply voltage

Leakage current

Load current

Frequency

Power

Continuity

Insulation

Earth resistance

Phase sequence


RPM

Polarity

Relevant information May include but not limited to: Types and causes of fault

Test results Repair/replace parts

Human resource and duration Recommendation

Documents

National Occupational Skill Standard (NOSS)