APPRENTICESHIP CURRICULUM for

APPRENTICESHIP CURRICULUM

for

Mine Electrician

Under

Skill Council for Mining Sector

for

NSQF compliance

National Apprenticeship Promotion

Scheme

1 Program Title Mine Electrician

2 Program Code, if any MIN/Q0416

3 Any related NSQF approved QP/Course/NOS and code

Mine Electrician; MIN/Q0416

4 Hours for Basic Training (Block I) 540 Hrs (3 months)

5 Hours for On the Job Training (Block II) 2016 Hrs (12 months)

6 Certifying body for Basic Training Program

Skill Council for Mining Sector

7 Certifying Body for On the Job training Industry Partner

8 Any Licensing requirements, wherever applicable

Competency certification required for HT/LT electricians and electrical supervisors

9 Minimum eligibility criteria (Educational and/or Technical Qualification) Exemptions, if any

12th Class (NA) with 2-3 Years of experience O & M of electrical supply/ substation and equipment OR I.T.I (Electrician) with 2-3 Years of experience O&M of electrical supply/ substation and equipment B.Sc./ B.A/ B.Com/ BBA

10 Trainer’s Qualification and Experience Class X/ ITI with 6 years of industry experience Or Diploma in Mining/ Mechanical with 5 years of industry experience Or B-Tech in Mining/ Mechanical with 4 years of industry experience

11 NCO code and occupation NCO-2004/7137.15 Electrical Services

12 Proposed NSQF level 4

13 Indicative list of training tools required to deliver this qualification (may be attached)

As per Model Curriculum attached

14 Formal structure of the curriculum

Modules Notional hours- Theory

Notional hours- Practical

Total duration

Basic Training Program

1 Introduction 10 26 36

2 Understand job requirements and related processes

40 44 84

3 Install the electrical supply/ sub-station and equipment

10 150 160

4 O&M of electrical supply/ sub-station and equipment

28 150 178

5 Health and safety 20 62 82

Total 108 432 540

2.4 weeks 9.6 weeks 12 weeks

On the Job Training Program

1 Introduction and Orientation 8 0 8

2 Hazards and safety 12 30 42

3 Emergency procedures 08 26 42

4 Engineering drawing 12 30 34

5 Engineering drawing standards

12 30 42

6 Basics of electricity 24 18 42

7 Circuit and wiring diagrams 12 30 42

8 Electrical components and equipment

12 30 42

9 Tools and equipment required 12 30 42

10 Measuring instruments and gauges required

12 30 42

11 Electrical system 24 18 42

12 Cable assembly 12 30 42

13 Cable laying and earthing in mines

12 30 42

14 Installation of electrical panel 12 30 42

15 Installation of electrical devices

12 30 42

16 Maintenance of electrical system

12 30 42

17 Practice – Installation of electrical system

0 42 42

18 Practice – Maintenance of electrical system

0 42 42

19 Tranformer 18 24 42

20 Installation of transformer 12 30 42

21 Maintenance of transformer 12 30 42

22 Practice – Installation and maintenance of transformer

0 42 42

23 Motor 18 24 42

24 Installation of motor 12 30 42

25 Maintenance of motor 12 30 42

26 Practice – Installation and maintenance of motor

0 42 42

27 Generator 18 24 42

28 Installation of generator 12 30 42

29 Maintenance of generator 12 30 42

30 Practice – Installation and maintenance of generator

0 42 42

31 Compressor 18 24 42

32 Installation of compressor 12 30 42

33 Maintenance of compressor 12 30 42

34 Practice – Installation and maintenance of compressor

0 42 42

35 Pump 18 24 42

36 Installation of pump 12 30 42

37 Maintenance of pump 12 30 42

38 Practice – Installation and maintenance of pump

0 42 42

39 Air conditioner 18 24 42

40 Installation of air conditioner 12 30 42

41 Maintenance of air conditioner 12 30 42

42 Practice – Installation and maintenance of air conditioner

0 42 42

43 Post installation and maintenance activities

12 30 42

44 Installation Practice - 1 0 42 42



47 Maintenance Practice -1 0 42 42

48 Maintenance Practice - 2 0 42 42

49 Maintenance Practice - 3 0 42 42

Total 472 1544 2016

11.2 weeks 36.8 weeks 48 weeks

15 Total Pass marks

Total and Pass Marks - Theory

Total and Pass Marks - Practical

Basic Training Program 147 / 210 133 / 190

On the Job Training Program 147 / 210 133 / 190

16 Job description-brief Mine Electrician ensures installation, use, operations and maintenance of the electrical substations and electrical equipment and electrical supply. The role holder also ensures that all the electrical systems and machinery work is in accordance with relevant specifications.

17 Progression from the qualification (Please show Professional and academic progression)

Vertical progression 1) Electrical Supervisor 2) Asst. Manager (Electrical) 3) Sr. Manager (Electrical) 4) Department Head (Electrical)

18 Employment avenues/opportunities

1. Mining units

2. Education and Training

19 Assessment strategy (Basic training and On the Job) For Basic training

1. Criteria for assessment for each Qualification Pack will be created by the Sector

Skill Council. Each Performance Criteria (PC) will be assigned marks proportional to its importance in NOS. SSC will also lay down proportion of marks for Theory and Skills Practical for each PC.

2. The assessment of the theory/knowledge will be based on written test/viva-voce or both while skill test shall be hands on practical. Behavior and attitude will be assessed while performing the task.

3. Individual assessment agencies will create unique question papers for theory part for each candidate at each examination/training Centre (as per assessment criteria given).

4. Individual assessment agencies will create unique evaluations for skill practical for every student at each examination/training Centre based on these criteria.

5. To pass the Qualification Pack, every trainee should score a minimum of 70% in skills, 30 % in knowledge and 70% in practical including Behavior separately in each attributes.

6. In case of successfully passing only certain number of NOS's, the trainee is eligible to take subsequent assessment on the balance NOS's to pass the Qualification Pack.

For On the Job:

1. Assessment for on the job training to be conducted by the industry partner on the

practical competency output defined in the NOS/QP and the assessment criteria.

2. The candidate must score 70% in each module to successfully complete the OJT.

3. Tools of Assessment that can be used are:

a. Videos of Trainees during OJT

b. Answer Sheets of Question Banks

c. Assessing the Log Book entries of Trainees at Employer location

d. Employer Performance Feedback.

4. Assessment will ensure that the apprentice will be able to:

a. Read and extract information from circuit diagrams and work order.

b. Perform installation of electrical system and electrical equipment such as

transformer, motor generator etc. in mines.

c. Perform maintenance, servicing and repairing of electrical system and

electrical equipment such as transformer, motor generator etc. in mines.

d. Maintain a safe and healthy working environment

e. Follow DGMS guidelines while working in mines

20 Curriculum update version and date 10/08/2021

21 Curriculum revision date 24/09/2021

Curriculum

Module Name with duration

Key Learning outcomes

Theory/Basic Training Program- Block I

1 Introduction Theory Duration (hh:mm) 10:00 Practical Duration (hh:mm) 26.00 Corresponding NOS Code Bridge Module

• Understand general discipline in the class room (Do’s &

Don’ts).

• Understand role of Mine Electrician in mining industry.

• Understand benching in quarries, dressing of overhangs,

undercuts, fencing, first aid and hygiene.

• Illustrate standing orders in force at the mine.

• Demonstrate safety in the vicinity of machinery.

• Explain shot-firing and safety regulations. How and where to

take shelter.

• Practice Basic skills of communication.

• Learn and practice basic reading capabilities to enable

reading of signs, notices and/or cautions at site.

2 Understand job

requirements and

related processes

Theory Duration

(hh:mm)

40:00

Practical Duration

(hh:mm)

44:00

Corresponding NOS

Code

MIN/N0446

• Understand the work (work output) required from the job and

discuss the same with the supervisor.

• Understand the electrical layout.

• Refer all work instruction/ related documents to understand

requirements from electrical substations/ electrical

equipment/ electrical wiring or fixtures.

• Understand the specifications for various systems within

electrical substations/ transmission of electricity/ use/

operation of electrical equipment/ electrical wiring or fixtures

as mentioned in the Work Instruction/ SOP/ Control

Diagrams.

• Prepare sketches or follow blueprints to determine the

location of wiring or equipment and to ensure conformance

to safety codes.

• Identify the electrical equipment requirements as per the

specifications in the work instructions for installation of

electrical substations/ electrical equipment/ electrical wiring

or fixtures.

• Ensure that the required electrical equipment is procured from the

store or vendor before starting the process.

3 Install the electrical

supply/ sub-station

and equipment

Theory Duration

(hh:mm)

10:00

Practical Duration

(hh:mm)

150:00

Corresponding NOS

Code

MIN/N0447

• Install the required electrical supply systems including

transformers, generators, circuit breakers, isolators, bus

bars, measuring equipment for voltage, current, power,

energy, frequency, RPM, wiring, fuses, earthing,

switchboard, control panels, relays etc. as per the required

specifications.

• Install required electrical equipment like motors, fans,

lighting, ACs, heaters, compressors, pumps etc. Install and

commission other mining machinery.

• Conduct a test process to ensure the performance of

installed electrical equipment as per the defined

specifications.

• Make modifications in the parameters (by selecting the right

program from the machine control system) if required and

ensure alignment with the prescribed standard

• Ensure the setting up of the parameters of electrical

equipment.

4 O&M of electrical supply/ sub-station and equipment Theory Duration (hh:mm) 28:00 Practical Duration (hh:mm) 150:00 Corresponding NOS Code MIN/N0448

• Run the installed electrical equipment in the substation and

the electric system to generate and distribute the electricity

to the entire mine area with back-ups and redundancies.

• Repair and maintain the different electrical equipment as per

manufacturers guidelines, SOPs, and as per the statutory

requirements (if any)

• Carry out predictive, preventive and break down

maintenance for generators, transformers, circuit breakers,

isolators, bus bars, control panels, switchboards, wiring,

protective relays etc. Adhere to the maintenance schedule

as guided by electrical supervisors.

• Inspect electrical equipment to identify electrical risks,

hazards, defects, or the need for adjustment or repair, and to

ensure compliance with relevant statutes.

• Diagnose malfunctioning systems, apparatus, or

components, using test equipment and hand tools to locate

the cause of a breakdown and correct the problem.

• Test electrical systems or continuity of circuits in electrical

wiring, equipment, or fixtures, using testing devices, such as

ohmmeters, voltmeters, ammeters, energy meters, or

oscilloscopes, to ensure compatibility and safety of system.

• Conduct all the tests and checks required for safe operation

of the electrical equipment as per the statute.

• Operate and maintain the electrical equipment and maintain

records as per the statutory requirements.

5 Health & Safety Theory Duration (hh:mm) 20:00 Practical Duration (hh:mm) 62:00 Corresponding NOS Code MIN/N0901

• Comply with occupational health and safety regulations

adopted by the employer.

• Follow mining operations procedures with respect to

materials handling and accidents

• Follow the correct safety steps in case of accident or major

failure

• Comply with safety regulations and procedures in case of

fire hazard.

• Operate various grades of fire extinguishers.

• Work responsibly and as safe and careful as possible so as

not to put the health and safety of self or others at risk,

including members of the public

• Perform storage and transport of hazardous materials

compliant with safety guidelines prescribed by DGMS.

• Deal with misfires as per statutory requirement

• Identify characteristics of post-blast fumes and take

necessary precautions.

• Wears safety gear such as hard hat, respiratory protection,

eye protection, ear protection

• Follow the manufacturer’s instructions for care and safe

operation of the equipment.

On the Job Training Program- Block II

1 Introduction and

Orientation

Theory Duration

(hh:mm)

08:00

Practical Duration

(hh:mm)

00:00

Corresponding NOS

Code Bridge Module

• Identify the salient features of the course and the scope of

the course.

• Differentiate between open cast and underground mines.

• Describe underground mines on the basis of their danger

levels i.e. degree I, degree II and degree III mines.

• Differentiate between degree I, degree II and degree III

mines.

• Describe Directorate General of Mine Safety (DGMS) rules

and regulations for engineering related works in degree I,

degree II and degree III mines.

• List the responsibilities of a Mine Electrician.

• Identify the job opportunities and carrier path available for a

Mine Electrician.

• Interact with different departments and key personnel of

departments in the organization.

• Describe HR policies, timings to be followed in the

organisation, leaves, holidays, disciplinary policies etc.

2 Hazards and safety Theory Duration (hh:mm) 12:00

Practical Duration (hh:mm) 30:00

Corresponding NOS Code MIN/N0901

• Discuss how to maintain safe and secure workplace.

• Discuss safety guidelines specified by DGMS for open cast

and underground (degree I, degree II and degree III) mines.

• Use DGMS and organization policies and procedures to

maintain a safe, secure working environment.

• List personal protective equipment like safety gloves,

glasses, shoes and helmet used at the workplace.

• Describe various hazards generally occur in open cast and

underground (degree I, degree II and degree III) mines.

• Identify hazards in the mines on the basis of their type.

• Execute best practices for removing potential hazards with

adherence to DGMS guidelines in the mines on the basis of

their type.

• Record and report potential safety issues while working in

workshop.

3 Emergency procedures

Theory Duration (hh:mm) 08:00



• Identify hazards emerging from a natural calamity and take

measures for avoiding the same in open cast and

underground (degree I, degree II and degree III) mines.

• Describe appropriate strategies to deal with emergencies

and accidents such as fires and natural calamities in open

cast and underground (degree I, degree II and degree III)

mines.

• Demonstrate the use of fire-fighting equipment available at

the workplace.

• Explain safety precautions need to follow during handling of

tools and equipment in the workshop.

• Explain safe material handling practices for lifting the heavy

machines and equipment.

• Demonstrate first-aid practices.

• Define various types of wastes generated on the shop floor

such as cotton waste, oils, metal chips, papers, etc.

• Describe need of waste disposal properly in specified

manner.

• Demonstrate safe waste disposal methods according to

organizational policies.

• Demonstrate segregation of waste into hazardous and non-

hazardous waste and dispose the waste as per industry

SOP.

4 Engineering drawing Theory Duration (hh:mm) 12:00



• Define basic principles of engineering drawing.

• Differentiate between product drawing, part drawing and

assembly drawing

• Identify and interpret different types of engineering drawing

such as isometric, orthographic, sectioning etc.

• Define 1st angle and 3rd angle projection of a product

• Draw 1st angle and 3rd angle projections manually

• List various types of lines and their application in drawings.

• Explain methods of dimensioning used in drawings.

• Draw orthographic projection views from isometric projection

view.

5 Engineering drawing standards Theory Duration (hh:mm) 12:00



• Explain limits, fits and tolerances.

• Create sequence of operations on the basis of information

available in drawings.

• Create list of tools and equipment needed according to the

sequence of operations.

• Interpret nomenclature of drawings.

• Identify standards used in India for making engineering

drawings.

• Identify standards for different material for their selection and

cost optimisation.

• Perform storage of drawings in a defined and appropriate

place.

• Identify modification or changes required in the drawing.

• Communicate the changes to concerned authority.

6 Basics of electricity

Theory Duration

(hh:mm) 24:00

Practical Duration

(hh:mm) 18:00

Corresponding NOS

Code

• Explain basic fundamentals of electricity.

• Explain sources of electricity generation.

• Explain ohm’s law.

• Explain basic principles of voltage, power and current

(AC/DC).

• Describe electrical symbols, units and terms associated with

electric systems and components.

• Explain circuit and circuit diagrams.

• Explain formation of a circuit.

• Explain different types of circuit such as series, parallel and

MIN/N0446 series-parallel circuit.

• Describe single-phase and three-phase circuit.

7 Circuit and wiring

diagrams

Theory Duration

(hh:mm) 12:00

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

MIN/N0446

• Describe wiring diagrams.

• Explain types of wiring used in mines.

• Read and interpret symbols and flow of current in the circuit.

• Demonstrate use of relevant wiring diagram to locate

electrical components, relays and fuses, electrical wire

harness, lighting, etc.

• Show how to read the wiring diagram to obtain information

about circuit wiring.

• Explain documentation requirements for each procedure as

specified by organisation.

8 Electrical components

and equipment

Theory Duration

(hh:mm) 12:00

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

MIN/N0446

• List various electrical components and accessories such as

wiring, fuses, earthing, switchboard, control panels, relays

etc. need to install in mines.

• Describe function of each electrical component and

accessories.

• Demonstrate use of each electrical component and

accessories.

• Describe various types of circuit protection used in mines.

• Demonstrate use of circuit protection devices.

• List various electrical equipment such as motors, fans,

lighting, pumps etc. need to install in mines.

• Describe function and use of each electrical equipment.

• Identify symbols of various electrical equipment, components

and accessories used in circuit diagram.

9 Tools and equipment

required

Theory Duration

(hh:mm) 12:00

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

• Identify tools and equipment required during electrician work.

• Explain standard safe operating procedure of using tools and

equipment.

• Demonstrate safe operating procedure of workshop tools

and equipment (hand tools, power tools etc.) required during

work.

• Identify the availability of hand and power tools like

spanners, screw drivers, grinder etc. required for work.

• Inspect the working condition of tools before use.

• Check that all the tools and equipment are complying with

guidelines specified by DGMS.

MIN/N0446

10 Measuring

instruments and

gauges required

Theory Duration

(hh:mm) 12:00

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

MIN/N0446

• List measuring instruments and gauges such as MI meter,

Multi-meter (Digital/Analog), Wattmeter, PF meter, Energy

meter, Frequency meter, Phase sequence meter, Digital

Instruments etc. required during electrician work.

• Explain standard safe operating procedure of using

measuring instruments and gauges.

• Demonstrate safe standard operating procedure of using

measuring instruments and gauges.

• Identify the availability of measuring instruments and gauges

required for work.

• Explain calibration check process of measuring instruments,

and gauges.

• Check calibration of measuring instruments and gauges

before use.

• Show how to calibrate the tools and gauges.

11 Electrical system

Theory Duration

(hh:mm) 24:00

Practical Duration

(hh:mm) 18:00

Corresponding NOS

Code

MIN/N0446

• Describe structure of electrical system in underground and

open cast mines.

• Identify various components of electrical system such as

distribution box, connectors, cables, electrical devices (fan,

switch, fuse, bulb, MCB, relay etc.) etc. used in mines.

• Explain use of each electrical system component in mines.

• Demonstrate functioning of each electrical system

component.

• Describe specification and ratings of each electrical system

component.

• Describe selection parameters such as power, voltage and

current rating, type etc. of each component for designing the

electrical system in mines in accordance with the DGMS

guidelines.

• Demonstrate how to select the components of electrical

system as per the requirement.

• Show how to collect the permit for doing electrician work in

underground (degree II and degree III) mines.

12 Cable assembly

Theory Duration

(hh:mm) 12:00

• Identify various types of cables and connectors used for

wiring.

• Explain characteristics of each type of cable and connector.

• Describe specification and selection criteria of each type of

cable and connector.

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

MIN/N0446

MIN/N0447

• Describe assembly methods such as cable jointing,

crimping, cutting, soldering etc. need to perform for cable

assembly.

• Demonstrate assembly methods for cable assembly work.

• List steps need to perform for preparing cable as per the

electrical system requirement.

• Demonstrate steps for preparing and assembling the cable

for electrical system.

13 Cable laying and

earthing in mines

Theory Duration

(hh:mm) 12:00

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

MIN/N0447

• Read and interpret the mine electrical system and wiring

diagram.

• Show how to lay the cable in underground mines / open cast

mines as specified in wiring diagram and DGMS guidelines.

• Explain earthing and its importance in mining work.

• Describe different methods of earthing.

• Demonstrate different methods of earthing for protecting the

electrical system and devices.

• Show how to measure the earth resistance by earth tester.

• Follow safety procedures specified by DGMS and

organization during electrician work.

14 Installation of

electrical panel

Theory Duration

(hh:mm) 12:00

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

MIN/N0447

• Read and interpret the mine electrical panel (distribution

box) wiring diagram.

• List various components such as MCB, circuit breaker, relay,

switches etc. need to install in electrical panel.

• List tools and equipment required during installation work.

• Show how to arrange the electrical components, tools and

equipment as per organizational guidelines.

• List the steps to be performed for preparing the electrical

panel (distribution box) as per the wiring diagram.

• Demonstrate how to place, fix and assemble the electrical

panel components and prepare the electrical panel as per

the wiring diagram.

• Demonstrate how to install or fix the electrical panel on the

wall or suggested place as specified in the wiring diagram

and DGMS guidelines.



15 Installation of • Read and interpret the mine electrical system and wiring

electrical devices

Theory Duration

(hh:mm) 12:00

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

MIN/N0447

diagram to identify and locate the electrical devices such as

fan, switchboards, lightings etc. need to install in

underground mines / open cast mines.

• Select the electrical devices as per the SOP/WI and DGMS

guidelines.

• List the steps to be performed for installing the electrical

devices as per the wiring diagram.

• Demonstrate how to install the electrical devices as specified

in the wiring diagram and DGMS guidelines.



16 Maintenance of

electrical system

Theory Duration

(hh:mm) 12:00

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

MIN/N0448

• Explain maintenance and its types.

• Explain need of maintenance schedule.

• Show how to obtain approvals from supervisor for

conducting the servicing and repairing activities on electrical

system of mines.

• Identify tools, equipment, electrical components and

consumables required during servicing and repairing

activities.

• Explain checklist for the inspection of electrical system and

its components for any damage or defect.

• Carry out inspection of electrical system and its components

for any defects or damage.

• Describe various tests such as continuity test, open circuit

test, short circuit test, earth leakage etc. to identify defects in

the circuit.

• Demonstrate how to conduct continuity test, open circuit test,

short circuit test, earth leakage etc. to identify defects in the

circuit.

• Explain procedure of repairing of electrical system and its

components for resolving issues and defects.

• Carry out repairing of electrical system and its components

for resolving issues and defects.



17 Practice – Installation

of electrical system

Theory Duration

• Read the wiring diagram to obtain information about

electrical system installation structure and requirements in

mines.

• List tools, equipment, electrical components and

(hh:mm) 00:00

Practical Duration

(hh:mm) 42:00

Corresponding NOS

Code

MIN/N0447

consumables required during installation activities.

• Practice preparation and assembling of the cable for

electrical system.

• Practice laying of cable in underground mines / open cast


• Practice different methods of earthing for protecting the


• Practice how to place, fix and assemble the electrical panel

components and prepare the electrical panel as per the

wiring diagram.

• Practice installation of the electrical panel on the wall or

suggested place as specified in the wiring diagram and

DGMS guidelines.

• Practice installation of the electrical devices as specified in

the wiring diagram and DGMS guidelines.

18 Practice –

Maintenance of

electrical system

Theory Duration

(hh:mm) 00:00

Practical Duration

(hh:mm) 42:00

Corresponding NOS

Code

MIN/N0448



activities.

• Practice inspection of electrical system and its components


• Practice continuity test, open circuit test, short circuit test,

earth leakage etc. to identify defects in the circuit.

• Practice repairing of electrical system and its components for

resolving issues and defects.

19 Transformer

Theory Duration

(hh:mm) 18:00

Practical Duration

(hh:mm) 24:00

Corresponding NOS

Code

MIN/N0446

• Describe working principle of transformer.

• Describe various parts of a transformer, their specification

and functioning.

• Describe different type of transformers used in underground

mines / open cast mines.

• Demonstrate functioning of different type of transformer.

• Describe selection parameters of transformer for mines in

accordance with the DGMS guidelines.

• Demonstrate how to select the transformer as per the

requirement.

• Show how to collect the permit for installing the transformer

in underground (degree II and degree III) mines.

20 Installation of

transformer

Theory Duration

(hh:mm) 12:00

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

MIN/N0447

• Read and interpret the transformer wiring diagram.

• identify various electrical components, tools and equipment

required during transformer installation work.



• List the steps to be performed for installing the transformer.

• Demonstrate how to install the transformer in mines as per

SOP/WI/DGMS guidelines.



21 Maintenance of

transformer

Theory Duration

(hh:mm) 12:00

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

MIN/N0448



equipment installed in mines.



activities.

• Explain checklist for the inspection of transformer and its

components for any damage or defect.

• Carry out inspection of transformer and its components for

any defects or damage.

• Describe various tests need to conduct to check the

performance and defects in transformer

• Demonstrate how to test the performance and identify

defects in the transformer.

• Explain procedure of repairing of transformer and its


• Carry out repairing of transformer and its components for


• Show how to clean the transformer as per SOP/WI.

• Show how to change the oil in transformer.




and maintenance of

transformer

• Read and interpret the transformer wiring diagram.


consumables required during work.

• Practice installation of the transformer in mines as per

Theory Duration

(hh:mm) 00:00

Practical Duration

(hh:mm) 42:00

Corresponding NOS

Code

MIN/N0447

MIN/N0448


• Practice inspection of transformer and its components for


• Practice how to test the performance and identify defects in

the transformer circuit.

• Practice repairing of transformer and its components for


• Practice cleaning and maintenance activities of the

transformer as per SOP/WI.

23 Motor

Theory Duration

(hh:mm) 18:00

Practical Duration

(hh:mm) 24:00

Corresponding NOS

Code

MIN/N0446

• Describe working principle of motor.

• Describe various parts of a motor, their specification and

functioning.

• Describe different type of motors used in underground mines

/ open cast mines.

• Demonstrate functioning of different type of motors.

• Describe selection parameters of motor for mines in


• Demonstrate how to select the motor as per the requirement.

• Show how to collect the permit for installing the motor in


24 Installation of motor

Theory Duration

(hh:mm) 12:00

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

MIN/N0447

• Read and interpret the motor wiring diagram.


required during motor installation work.



• List the steps to be performed for installing the motor.

• Demonstrate how to install the motor in mines as per




25 Maintenance of motor

Theory Duration

(hh:mm) 12:00

Practical Duration

(hh:mm)






activities.

30:00

Corresponding NOS

Code

MIN/N0448

• Explain checklist for the inspection of motor and its


• Carry out inspection of motor and its components for any

defects or damage.


performance and defects in motor.


defects in the motor.

• Explain procedure of repairing of motor and its components


• Carry out repairing of motor and its components for resolving

issues and defects.

• Show how to clean the motor as per SOP/WI.




and maintenance of

motor

Theory Duration

(hh:mm) 00:00

Practical Duration

(hh:mm) 42:00

Corresponding NOS

Code

MIN/N0447

MIN/N0448

• Read and interpret the motor wiring diagram.



• Practice installation of the motor in mines as per


• Practice inspection of motor and its components for any

defects or damage.


the motor circuit.

• Practice repairing of motor and its components for resolving

issues and defects.

• Practice cleaning and maintenance activities of the motor as

per SOP/WI.

27 Generator

Theory Duration

(hh:mm) 18:00

Practical Duration

(hh:mm) 24:00

Corresponding NOS

Code

• Describe working principle of generator.

• Describe various parts of a generator, their specification and

functioning.

• Describe different type of generators used in underground


• Demonstrate functioning of different type of generators.

• Describe selection parameters of generator for mines in


• Demonstrate how to select the generator as per the

requirement.

MIN/N0446 • Show how to collect the permit for installing the generator in


28 Installation of

generator

Theory Duration

(hh:mm) 12:00

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

MIN/N0447

• Read and interpret the generator wiring diagram.


required during generator installation work.



• List the steps to be performed for installing the generator.

• Demonstrate how to install the generator in mines as per




29 Maintenance of

generator

Theory Duration

(hh:mm) 12:00

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

MIN/N0448






activities.

• Explain checklist for the inspection of generator and its


• Carry out inspection of generator and its components for any

defects or damage.


performance and defects in generator.


defects in the generator.

• Explain procedure of repairing of generator and its


• Carry out repairing of generator and its components for


• Show how to clean the generator as per SOP/WI.




and maintenance of

generator

• Read and interpret the generator wiring diagram.



Theory Duration

(hh:mm) 00:00

Practical Duration

(hh:mm) 42:00

Corresponding NOS

Code

MIN/N0447

MIN/N0448

• Practice installation of the generator in mines as per


• Practice inspection of generator and its components for any

defects or damage.


the generator circuit.

• Practice repairing of generator and its components for



generator as per SOP/WI.

31 Compressor

Theory Duration

(hh:mm) 18:00

Practical Duration

(hh:mm) 24:00

Corresponding NOS

Code

MIN/N0446

• Describe working principle of compressor.

• Describe various parts of a compressor, their specification

and functioning.

• Describe different type of compressors used in underground


• Demonstrate functioning of different type of compressors.

• Describe selection parameters of compressor for mines in


• Demonstrate how to select the compressor as per the

requirement.

• Show how to collect the permit for installing the compressor

in underground (degree II and degree III) mines.

32 Installation of

compressor

Theory Duration

(hh:mm) 12:00

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

MIN/N0447

• Read and interpret the compressor wiring diagram.


required during compressor installation work.



• List the steps to be performed for installing the compressor.

• Demonstrate how to install the compressor in mines as per




33 Maintenance of

compressor

Theory Duration





(hh:mm) 12:00

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

MIN/N0448


activities.

• Explain checklist for the inspection of compressor and its


• Carry out inspection of compressor and its components for



performance and defects in compressor.


defects in the compressor.

• Explain procedure of repairing of compressor and its


• Carry out repairing of compressor and its components for


• Show how to clean the compressor as per SOP/WI.




and maintenance of

compressor

Theory Duration

(hh:mm) 00:00

Practical Duration

(hh:mm) 42:00

Corresponding NOS

Code

MIN/N0447

MIN/N0448

• Read and interpret the compressor wiring diagram.



• Practice installation of the compressor in mines as per


• Practice inspection of compressor and its components for



the compressor circuit.

• Practice repairing of compressor and its components for



compressor as per SOP/WI.

35 Pump

Theory Duration

(hh:mm) 18:00

Practical Duration

(hh:mm) 24:00

• Describe working principle of pump.

• Describe various parts of a pump, their specification and

functioning.

• Describe different types of pump used in underground mines

/ open cast mines.

• Demonstrate functioning of different type of pumps.

• Describe selection parameters of pump for mines in


Corresponding NOS

Code

MIN/N0446

• Demonstrate how to select the pump as per the requirement.

• Show how to collect the permit for installing the pump in


36 Installation of pump

Theory Duration

(hh:mm) 12:00

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

MIN/N0447

• Read and interpret the pump wiring diagram.


required during pump installation work.



• List the steps to be performed for installing the pump.

• Demonstrate how to install the pump in mines as per




37 Maintenance of pump

Theory Duration

(hh:mm) 12:00

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

MIN/N0448






activities.

• Explain checklist for the inspection of pump and its


• Carry out inspection of pump and its components for any

defects or damage.


performance and defects in pump.


defects in the pump.

• Explain procedure of repairing of pump and its components


• Carry out repairing of pump and its components for resolving

issues and defects.

• Show how to clean the pump as per SOP/WI.




and maintenance of

pump

• Read and interpret the pump wiring diagram.



• Practice installation of the pump in mines as per

Theory Duration

(hh:mm) 00:00

Practical Duration

(hh:mm) 42:00

Corresponding NOS

Code

MIN/N0447

MIN/N0448


• Practice inspection of pump and its components for any

defects or damage.


the pump circuit.

• Practice repairing of pump and its components for resolving

issues and defects.

• Practice cleaning and maintenance activities of the pump as

per SOP/WI.

39 Air conditioner

Theory Duration

(hh:mm) 18:00

Practical Duration

(hh:mm) 24:00

Corresponding NOS

Code

MIN/N0446

• Describe working principle of air-conditioner.

• Describe various parts of a air-conditioner, their specification

and functioning.

• Describe different types of air-conditioner used in

underground mines / open cast mines.

• Demonstrate functioning of different types of air-conditioner.

• Describe selection parameters of air-conditioner for mines in


• Demonstrate how to select the air-conditioner as per the

requirement.

• Show how to collect the permit for installing the air-

conditioner in underground (degree II and degree III) mines

office.

40 Installation of air-

conditioner

Theory Duration

(hh:mm) 12:00

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

MIN/N0447

• Read and interpret the air-conditioner wiring diagram.


required during air-conditioner installation work.



• List the steps to be performed for installing the air-

conditioner.

• Demonstrate how to install the air-conditioner in mines office

as per SOP/WI/DGMS guidelines.



41 Maintenance of air-

conditioner

Theory Duration





(hh:mm) 12:00

Practical Duration

(hh:mm) 30:00

Corresponding NOS

Code

MIN/N0448


activities.

• Explain checklist for the inspection of air-conditioner and its


• Carry out inspection of air-conditioner and its components



performance and defects in air-conditioner.


defects in the air-conditioner.

• Explain procedure of repairing of air-conditioner and its


• Carry out repairing of air-conditioner and its components for


• Show how to clean the air-conditioner as per SOP/WI.




and maintenance of

air-conditioner

Theory Duration

(hh:mm) 00:00

Practical Duration

(hh:mm) 42:00

Corresponding NOS

Code

MIN/N0447

MIN/N0448

• Read and interpret the air-conditioner wiring diagram.



• Practice installation of the air-conditioner in mines as per


• Practice inspection of air-conditioner and its components for



the air-conditioner circuit.

• Practice repairing of air-conditioner and its components for


• Practice cleaning and maintenance activities of the air-

conditioner as per SOP/WI.

43 Post installation and

maintenance activities

Theory Duration

(hh:mm) 12:00

Practical Duration

(hh:mm)

• Describe various post installation and maintenance activities

such as cleaning, housekeeping, maintenance etc.

• Perform cleaning of Gauge/ Tools/ Fixtures as per the

cleaning schedule.

• Explain organizational procedures for storage of finished

product.

• Store the tools and equipment appropriately in the storage

as per the SOP/WI.

30:00

Corresponding NOS

Code

MIN/N0447

MIN/N0448

• Explain industry policies and procedures for workplace

housekeeping.

• Perform cleaning of work area after completion of work

• Define various types of wastes generated on the shop floor

such as oils, metal chips, papers, etc.

• Perform safe waste disposal methods by following DGMS

guidelines and organizational policies.

44 Installation Practice -

1

Theory Duration

(hh:mm) 00:00

Practical Duration

(hh:mm) 42:00

Corresponding NOS

Code

MIN/N0447

• Read the wiring diagram to obtain information about

electrical system installation structure and requirements in

mines.


consumables required during installation activities.

• Practice preparation and assembling of the cable for

electrical system.

• Practice laying of cable in underground mines / open cast


• Practice different methods of earthing for protecting the


• Practice how to place, fix and assemble the electrical panel

components and prepare the electrical panel as per the

wiring diagram.

• Practice installation of the electrical panel on the wall or

suggested place as specified in the wiring diagram and

DGMS guidelines.

• Practice installation of the electrical devices as specified in

the wiring diagram and DGMS guidelines.


2

Theory Duration

(hh:mm) 00:00

Practical Duration

(hh:mm) 42:00

Corresponding NOS

Code

MIN/N0447



• Practice installation of the transformer in mines as per


• Practice installation of the motor in mines as per


• Practice installation of the generator in mines as per



3

Theory Duration

(hh:mm) 00:00

Practical Duration

(hh:mm) 42:00

Corresponding NOS

Code

MIN/N0447



• Practice installation of the compressor in mines as per


• Practice installation of the pump in mines as per


• Practice installation of the air-conditioner in mines office as

per SOP/WI/DGMS guidelines.

47 Maintenance Practice

- 1

Theory Duration

(hh:mm) 00:00

Practical Duration

(hh:mm) 42:00

Corresponding NOS

Code

MIN/N0448



activities.

• Practice inspection of electrical system and its components


• Practice continuity test, open circuit test, short circuit test,

earth leakage etc. to identify defects in the circuit.

• Practice repairing of electrical system and its components for



- 2

Theory Duration

(hh:mm) 00:00

Practical Duration

(hh:mm) 42:00

Corresponding NOS

Code

MIN/N0448



• Practice inspection, testing and repairing of transformer and

its components for any defects or damage.


transformer as per SOP/WI.

• Practice inspection, testing and repairing of motor and its

components for any defects or damage.

• Practice cleaning and maintenance activities of the motor as

per SOP/WI.

• Practice inspection, testing and repairing of generator and its



generator as per SOP/WI.


- 3

Theory Duration

(hh:mm) 00:00

Practical Duration

(hh:mm) 42:00

Corresponding NOS

Code

MIN/N0448



• Practice inspection, testing and repairing of compressor and

its components for any defects or damage.


compressor as per SOP/WI.

• Practice inspection, testing and repairing of pump and its


• Practice cleaning and maintenance activities of the pump as

per SOP/WI.

• Practice inspection, testing and repairing of air-conditioner

and its components for any defects or damage.

• Practice cleaning and maintenance activities of the air-

conditioner as per SOP/WI.

List of Assessable outcomes/assessment criteria

Assessable Outcome

Assessment Criteria Total Marks

Out of

Marks allocation

Theory

Practical

1. MIN/N0446 (Understand job requirements and related processes)

PC1. Understand the work (work output) required from the job and discuss the same with the supervisor

12

8

4

PC2. Understand the electrical layout

16 8 8

PC3. Refer all work instruction/ related documents to understand requirements from electrical substations/ electrical equipment/ electrical wiring or fixtures

16 8 8

PC4. Understand the specifications for various systems within electrical substations/ transmission of electricity/ use/ operation of electrical equipment/ electrical wiring or fixtures as mentioned in the Work Instruction/ SOP/ Control Diagrams

16 8 8

PC5. Prepare sketches or follow blueprints to determine the location of wiring or equipment and to ensure conformance to safety codes

12

8

4

PC6. Identify the electrical equipment requirements as per the specifications in the work instructions for installation of electrical substations/ electrical equipment/ electrical wiring or fixtures

12 8 4

PC7. Ensure that the required electrical equipment is procured from the store or vendor before starting the process

16 8 8

NOS Total 100 56 44

2. MIN/N0447 (Install the electrical supply/ sub-station and equipment)

PC1. Install the required electrical supply systems including transformers, generators, circuit breakers, isolators, bus bars, measuring equipment for voltage, current, power, energy, frequency, RPM, wiring, fuses, earthing, switchboard, control panels, relays etc. as per the required specifications.

20

12

8

PC2. Install required electrical

equipment like motors, fans,

lighting, ACs, heaters, compressors,

pumps etc. Install and commission

other mining machinery.

20

12

8

PC3. Conduct a test process to

ensure the performance of installed

electrical equipment as per the

defined specifications

20 12 8

PC4. Make modifications in the

parameters (by selecting the right

program from the machine control

system) if required and ensure

alignment with the prescribed

standard

20

12

8

PC5. Ensure the setting up of the

parameters of electrical equipment.

20

12

8

NOS Total 100 60 40

3. MIN/N0448 (O&M of electrical supply/ sub-station and equipment)

PC1. Run the installed electrical equipment in the substation and the electric system to generate and distribute the electricity to the entire mine area with back-ups and redundancies.

12

8

4

PC2. Repair and maintain the different electrical equipment as per manufacturers guidelines, SOPs, and as per the statutory requirements (if any)

12

8

4

PC3. Carry out predictive, preventive and break down maintenance for generators, transformers, circuit breakers, isolators, bus bars, control panels, switchboards, wiring, protective relays etc. Adhere to the maintenance schedule as guided by electrical supervisors.

16 8 8

PC4. Inspect electrical equipment to identify electrical risks, hazards, defects, or the need for adjustment or repair, and to ensure compliance with relevant statutes.

12

8

4

PC5. Diagnose malfunctioning systems, apparatus, or components, using test equipment and hand tools to locate the cause of a breakdown and correct the problem.

12

8

4

PC6. Test electrical systems or continuity of circuits in electrical wiring, equipment, or fixtures, using testing devices, such as ohmmeters, voltmeters, ammeters, energy meters, or oscilloscopes, to ensure compatibility and safety of system.

12 8 4

PC7. Conduct all the tests and checks required for safe operation of the electrical equipment as per the statute.

12 8 4

PC8. Operate and maintain the electrical equipment and maintain records as per the statutory requirements.

12

8

4

NOS Total 100 64 36

4. MIN/N0901 (Health and Safety)

PC1. Comply with occupational health and safety regulations adopted by the employer.

9

3

6

PC2. Follow mining operations procedures with respect to materials handling and accidents

8

2

6

PC3. Follow the correct safety steps in case of accident or major failure

11

3

8

PC4. Comply with safety regulations and procedures in case of fire hazard.

9

3

6

PC5. Operate various grades of fire extinguishers. 8 2 6

PC6. Work responsibly and as safe and careful as possible so as not to put the health and safety of self or others at risk, including members of the public

10

2

8

PC7. Perform storage and transport of hazardous materials compliant with safety guidelines prescribed by DGMS.

9

3

6

PC8. Deal with misfires as per statutory requirement

9

3

6

PC9. Identify characteristics of post-blast fumes and take necessary precautions.

9

3

6

PC10. Wears safety gear such as hard hat, respiratory protection, eye protection, ear protection

9

3

6

PC11. Follow the manufacturer’s instructions for care and safe operation of the equipment.

9

3

6

NOS Total 100 30 70

Annexure A:

Tools and Equipment for Basic Training (Block I)

BATCH: 30 candidates

Sector: Mining

Block I QP Code with Version No. or Course Code: MIN/Q0416, v1.0

Block I QP Name or Course Name: Mine Electrician

Block I NSQF Level: 4

S.

No.

Equipment Name

Minimum number of Equipment required (per batch of 30 trainees)

Unit Type

Is this a mandatory Equipment to be available at the Training Center (Yes/No)

Dimension/Specification /Description of the Equipment/ ANY OTHER REMARK

1 Helmet 15 set YES Approved by

DGMS

2 Dust Mask 15 set YES Approved by

DGMS

3 Goggles 15 set YES Approved by

DGMS

4 Ear Plug 15 set YES Approved by

DGMS

5 Gloves 15 set YES Approved by

DGMS

6 Reflective Jacket 15 set YES Approved by

DGMS

7 Safety Belt 5 set YES Approved by

DGMS

8 Gum Boots 15 set YES Approved by

DGMS

9 Fire Extinguisher

Cylinders 2 set YES

10 First Aid Box 2 set YES

11 Fire Fighting Charts 1 set YES

12 First Aid Charts 1 set YES

13 Computer With 1 set YES

Internet

14 Lcd Projector 1 set YES

15 Trainer Chair & Table 1 set YES

16 Demonstration Table 1 set YES

17 Pin Up Boards 1 set YES

18 White Board 1 set YES

19 Connection Bushing

Terminal 1 set YES

20 Bus Bar 1 set YES

21 MCCB 1 set YES

22 China Clay Oil Filled

Insulator 1 set YES

23 Board Switch 1 set YES

24 Power Supply Monitor

Panel Board 1 set YES

25 Megger 1 set YES

26 Solding Iron And

Consumables 5 set YES

27 Clamp Meter 1 set YES

28 Digital Multi Meter 2 set YES

29 Switchgear 2 set YES

30 Screw Driver Set 1 set YES

31 Neo Tester 1 set YES

32 Combination Pliers 2 set YES

33 Nose Pliers 2 set YES

34 Spanner Set 2 set YES

35 Adjustable Wrench 2 set YES

36 Pipe Wrench 2 set YES

37 Measuring Tape 2 set YES

38 Hack Saw 2 set YES

39 Hammer 1 set YES

40 Chisel 2 set YES

41 Files Set 1 set YES

42 Wood Saw 1 set YES

43 Portable Drill Machine 1 set YES

44 Bench-Vice & Line-

Vice 1 set YES

45 Modal of sub-station

for illustration purpose 1 set YES

46 Single phase

transformer 2 KVA 1 set YES

47 3 phase transformer 1 set YES

oil filled 10 KVA

48 3 phase squirrel cage

Induction motors 5HP 1 set YES

49 Modal of continuity of

circuits 1 set YES

50 Heavy duty cutter 1 set YES

51 Electric knife 1 set YES

52 Connector 1 set YES

53 Lug 1 set YES

54 Wire gauge 1 set YES

55 Battery charger 1 set YES

56 Blow lamp 1 set YES

57 Pulley puller 1 set YES

58 Hydrometer 1 set YES

59 Tong tester 1 set YES

60 Cable 1 set YES double armored

60 mm

61 Cable tray 1 set YES

62 Line tester 1 set YES

63 Lead acid Batteries 1 set YES

64

Gate end box with

female socket:

single font, single

door and stand

mounted with bottom

cable entry system

1 set YES

Enclosure fitted

with

MCB

Power contractor

ELCB

Power socket

Earth leakage

relay

control

transformer

pilot relay

auxiliary

contactor

start /stop push

button

green light

indication

light(R,Y,B)

MCB for

transformer

control MCB

Main bus bar

earth bus bar

wiring

accessories

65 No/Nc push buttons 1 set YES

66 Electric Grinder 1 set YES

Annexure B:

Tools and Equipment for Hands-On at Employer Location (Block II)

BATCH: 30 candidates

Sector: Mining

Block II QP Code with Version No. or Course Code: MIN/Q0416, v1.0

Block II QP Name or Course Name: Mine Electrician

Block II NSQF Level: 4

S.

No.

Equipment Name

Minimum number of Equipment required (per batch of 30 trainees)

Unit Type

Is this a mandatory Equipment to be available at the Training Center (Yes/No)

Dimension/Specification /Description of the Equipment/ ANY OTHER REMARK

1 Helmet 15 set YES Approved by

DGMS

2 Dust Mask 15 set YES Approved by

DGMS

3 Goggles 15 set YES Approved by

DGMS

4 Ear Plug 15 set YES Approved by

DGMS

5 Gloves 15 set YES Approved by

DGMS

6 Reflective Jacket 15 set YES Approved by

DGMS

7 Safety Belt 5 set YES Approved by

DGMS

8 Gum Boots 15 set YES Approved by

DGMS

9 Fire Extinguisher

Cylinders 2 set YES

10 First Aid Box 2 set YES

11 Fire Fighting Charts 1 set YES

12 First Aid Charts 1 set YES

13 Computer With

Internet 1 set YES

14 Lcd Projector 1 set YES

15 Trainer Chair & Table 1 set YES

16 Demonstration Table 1 set YES

17 Pin Up Boards 1 set YES

18 White Board 1 set YES

19 Connection Bushing

Terminal 1 set YES

20 Bus Bar 1 set YES

21 MCCB 1 set YES

22 China Clay Oil Filled

Insulator 1 set YES

23 Board Switch 1 set YES

24 Power Supply Monitor

Panel Board 1 set YES

25 Megger 1 set YES

26 Solding Iron And

Consumables 5 set YES

27 Clamp Meter 1 set YES

28 Digital Multi Meter 2 set YES

29 Switchgear 2 set YES

30 Screw Driver Set 1 set YES

31 Neo Tester 1 set YES

32 Combination Pliers 2 set YES

33 Nose Pliers 2 set YES

34 Spanner Set 2 set YES

35 Adjustable Wrench 2 set YES

36 Pipe Wrench 2 set YES

37 Measuring Tape 2 set YES

38 Hack Saw 2 set YES

39 Hammer 1 set YES

40 Chisel 2 set YES

41 Files Set 1 set YES

42 Wood Saw 1 set YES

43 Portable Drill Machine 1 set YES

44 Bench-Vice & Line-

Vice 1 set YES

45 Modal of sub-station

for illustration purpose 1 set YES

46 Single phase

transformer 2 KVA 1 set YES

47 3 phase transformer

oil filled 10 KVA 1 set YES

48 3 phase squirrel cage

Induction motors 5HP 1 set YES

49 Modal of continuity of

circuits 1 set YES

50 Heavy duty cutter 1 set YES

51 Electric knife 1 set YES

52 Connector 1 set YES

53 Lug 1 set YES

54 Wire gauge 1 set YES

55 Battery charger 1 set YES

56 Blow lamp 1 set YES

57 Pulley puller 1 set YES

58 Hydrometer 1 set YES

59 Tong tester 1 set YES

60 Cable 1 set YES double armored

60 mm

61 Cable tray 1 set YES

62 Line tester 1 set YES

63 Lead acid Batteries 1 set YES

64

Gate end box with

female socket:

single font, single

door and stand

mounted with bottom

cable entry system

1 set YES

Enclosure fitted

with

MCB

Power contractor

ELCB

Power socket

Earth leakage

relay

control

transformer

pilot relay

auxiliary

contactor

start /stop push

button

green light

indication

light(R,Y,B)

MCB for

transformer

control MCB

Main bus bar

earth bus bar

wiring

accessories

65 No/Nc push buttons 1 set YES

66 Electric Grinder 1 set YES

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