Punjab PSEB Sr. Sec. NSQF Power (Distribution Lineman) study plan
Punjab PSEB Sr. Sec. NSQF Power (Distribution Lineman) · Give each week a clear focus.
8 weeks · About 6 hours per week
Electrical Fundamentals and Basic Science
Define voltage, current, resistance and power, and state the SI unit and common distribution-level magnitude for each.
Apply Ohm's law and the power equation to solve at least 15 numerical problems involving single-phase and three-phase circuits, showing each step.
Compute series, parallel and series-parallel equivalent resistance for at least 8 resistor networks.
Explain the difference between AC and DC, define RMS and peak value, and calculate RMS from a given peak value and frequency.
Describe the magnetic and electromagnetic principles behind transformer action and induction motor starting, in your own words.
Your checkpoint
A handwritten formula sheet plus 20 solved numericals (Ohm's law, power, series-parallel, RMS) with a one-page self-explanation of AC fundamentals, checked against a textbook.
Power Distribution System Overview and Layout & Transmission and Distribution Lines, Conductors and Insulators
Draw and label a single-line diagram of a distribution system from 66 kV substation down to a consumer service, naming each voltage level and equipment item.
Distinguish transmission, sub-transmission and distribution (primary and secondary) and state typical Indian voltage levels for each.
Compare radial, ring-main and interconnected distribution layouts, listing two advantages and two limitations of each.
Classify conductors (ACSR, AAAC, copper, aluminium) and insulators (pin, suspension, strain, shackle) and match each to its typical use on a distribution line.
Calculate sag and tension using the approximate parabolic formula for a given span, weight and tension, and explain why sag matters for clearance.
Your checkpoint
A hand-drawn single-line distribution diagram with voltage levels annotated, plus a comparison table of conductor and insulator types and 5 solved sag/tension problems.
Distribution Transformers and Substation Equipment
Identify the main parts of an oil-immersed distribution transformer (core, windings, conservator, breather, Buchholz relay, tap changer, bushings) and state the function of each.
Explain the purpose and operation of an off-circuit tap changer and describe how to select the correct tap for a low-voltage complaint.
Describe transformer earthing practice for the body and neutral, and explain why separate earth pits are used.
List the routine checks and tests performed on a distribution transformer (insulation resistance, oil level, oil BDV, ratio test, earthing continuity) and the acceptable indication for each.
Identify substation equipment - isolator, circuit breaker, CT, PT, lightning arrester, busbar, earth switch - and state its role in the distribution substation.
Your checkpoint
A labelled transformer diagram with a function table for 10 components, plus a one-page substation equipment checklist written from memory and cross-checked.
Overhead Line Construction, Erection and Stringing
Sequence the steps of overhead line erection from route survey and pit marking through pole erection, cross-arm fitting, conductor stringing, sagging and tying-in.
State the standard pit dimensions and concrete ratios used for a 9 m and 11 m pole, and explain the purpose of back-filling and concreting.
Describe the correct method of stringing and sagging conductors with a dynamometer or sag template, including precautions against over-tensioning.
Explain the different types of stay (bow stay, rake stay) and when each is required.
List the clearance requirements for conductors over roads, buildings and other lines, and explain how clearance is verified after stringing.
Your checkpoint
A written step-by-step erection procedure (minimum 15 numbered steps) with a sketch of a stayed pole and a table of required clearances, self-tested by writing the sequence again from memory.
Underground Cables and Cable Jointing & Metering, Service Connections and Consumer Installations
Compare LT and HT underground cables by construction (conductor, insulation, bedding, armouring, serving) and state where each is used.
Describe the procedure for a straight-through joint and an end termination on an LT cable, including insulation stripping, ferruling, crimping and heat-shrink or tape insulation.
Explain cable fault location by Murray loop and by insulation resistance testing, and state the safety precautions before jointing.
Identify single-phase and three-phase service connection components (service cable, meter board, energy meter, MCB, earthing) and describe the correct sequence of a domestic service connection.
Explain meter sealing, meter reading procedure, and common metering irregularities such as tampering, bypass and reverse connection, and the reporting action for each.
Your checkpoint
A cable jointing and termination procedure write-up with a labelled cable cross-section sketch, plus a service-connection checklist covering meter, MCB and earthing for a domestic consumer.
Electrical Safety, First Aid and Work Permit Procedures
State the sequence of safety steps before working on a line: permit-to-work, identification, isolation, earthing, tagging and proving dead.
Explain the purpose of a work permit, line clear certificate and the role of the authorised person, and describe how a permit is issued, extended and cancelled.
Demonstrate the correct application of artificial respiration and CPR for an electric shock victim, and list the steps for safe rescue from a live conductor.
Describe treatment for burns, fractures and bleeding, and state the contents and use of a first-aid box on a lineman's worksite.
List the personal protective equipment and safety devices required for overhead line work, and explain the use of discharge rods, safety belts and ladders.
Your checkpoint
A written permit-to-work and line-clear procedure card, plus a first-aid action sheet for electric shock, burns and fractures, rehearsed aloud once and corrected against a standard first-aid reference.
Tools, Equipment, Instruments and Testing & Electrical Fundamentals and Basic Science
Select the correct instrument for a given task: megger, earth tester, multimeter, clamp meter, tong tester, phase sequence tester and dynamometer.
Describe how to perform an insulation resistance test with a megger and interpret a low reading on a transformer or cable.
Explain earth resistance measurement by the three-pole fall-of-potential method and state a typical acceptable earth resistance value.
Identify the hand tools used by a distribution lineman (pliers, crimping tool, come-along, chain hoist, auger, climbers) and state the inspection and care required for each.
Re-solve 10 mixed numerical problems from Week 1 to confirm retention of fundamentals.
Your checkpoint
An instrument-and-tool reference sheet with purpose, procedure and acceptable reading for each item, plus a 10-question self-test on fundamentals scored and reviewed.
Workplace Communication, Entrepreneurship and Employability Skills & Power Distribution System Overview and Layout
Explain the communication chain in a distribution office: consumer complaint, work order, line staff, completion report, and the records a lineman maintains.
Draft a short work completion report and a consumer complaint response in clear professional language.
Describe basic entrepreneurship concepts relevant to an electrical contractor - quotation, material estimate, licence requirement and customer handling.
Outline employability skills expected in the workplace: punctuality, teamwork, workplace ethics, and safe handling of tools and material.
Complete two full-length mock tests covering all ten domains and review every wrong answer with a written correction note.
Your checkpoint
A portfolio containing one work completion report, one complaint response, one simple material estimate for a service connection, and a scored mock-test review log with corrections for every error.
Milestones
Week 2: Without notes, draw the single-line distribution diagram from 66 kV to consumer and correctly name all voltage levels; score at least 80% on a 20-question fundamentals-and-layout self-test.
Week 4: Write the transformer component-function table and the overhead erection sequence from memory, and solve 4 of 5 sag/tension and clearance problems correctly.
Week 6: Recite the permit-to-work, isolation and earthing sequence in the correct order with no omissions, and demonstrate the first-aid sequence for electric shock on a mannequin or by spoken walkthrough with all steps present.
Week 8: Score at least 70% on both full-length mock tests, with no repeated error category, and submit the completed portfolio of report, estimate and review log.