APCPDCL Junior Lineman Syllabus 2021 Check Selection Process

APCP DCL Junior Lineman Syllabus 2021 Check Selection Process Check Exam Pattern List and Syllabus for Junior Lineman (Energy Assistants) Exam Pattern of Junior Lineman

Andhra Pradesh Central Power Distribution Corporation Limited has announced the vacancies for the post of Energy Assistants (Junior Lineman Grade II). The Selection will be based on Written Exam. Stay Connected for latest updates. We will update the Syllabus and Exam Pattern here.

APCPDCL Junior Lineman Syllabus
APCPDCL Junior Lineman Syllabus

APCPDCL Junior Lineman Merit List 2021

About APCPDCL Junior Lineman Recruitment

This Recruitment will be available to apply online from 07.04.2021 to 03.05.2021. Online Recruitment Application Portal is available to apply online. Eligible Candidate can apply online by official website of APCPDCL. The Selection Process will be based on Merit List. Merit list will be generated on the basis of Maximum Marks obtained in the educational qualification.

About APCPDCL Junior Lineman Selection Process

APCPDCL Junior Lineman Recruitment is purely based on merit list. There will be a merit list generated by Bihar Technical Services Commission. The Merit List will be generated on the basis of Maximum Marks obtained in the Educational Qualification. Details Mentioned below in description.

About APCPDCL Junior Lineman Syllabus and Exam

There will be written exam held for the recruitment of Junior Lineman or Energy Assistants here we are mentioning the syllabus and Exam Pattern for the post of Junior Lineman. Written Exam will be held for 100 Marks based on ITI syllabus. Here we are mentioning the official syllabus as per official recruitment notification along with the Model Questions Paper.

APCPDCL Junior Lineman Exam Pattern in Detail

The candidate must possess ITI qualification in Electrical or Wireman trade or Intermediate Vocational course in Electrical domestic appliances and rewinding (EDAR) and electrical wiring and contracting (EWC)/Electrical wiring and servicing of electrical appliances (EW & SEA) and electrical technician from a recognized Institution/Board. The written Test will be conducted based on the ITI syllabus for 100 marks. The qualifying marks for OC – 40%, BC-35% and SC, ST – 30%.

Written Exam TypeObjective Type Multiple Choice
Maximum Marks100 Marks
Difficulty LevelBased on ITI Syllabus
Qualifying MarksOC – 40%, BC-35% and SC , ST – 30%.
Examination CentersKrishna , Guntur and Prakasam
APCPDCL Junior Lineman Syllabus

APCPDCL Junior Lineman Selection Process

Part A

Stage I – Written Test for 100 Marks
Stage II – In service experience of outsourcing candidates who are having qualifications indicated at part – A (a) in AP DISCOMS will be considered and one mark for each completing period of 6 months ( i.e.180 working days) will be given as weightage up to a maximum of 20 marks depending on the length of the service in the relevant job ( O&M related works)

Part B

Stage III – Pole Climbing duration of time is 15 minutes :

a. The candidate has to climb and descend the pole within 15 minutes.
b. Candidate do not fall down while climbing or descending the pole.
c. Candidate should touch the top of the pole.
d. Second chance of climbing of pole is ceased.

The candidates who fail in any one of the above tests (a to c) are disqualified.

Stage IV. Meter Reading

Part C

a. The candidates who secured merit in written test / examination, will be called for the above tests in 1:3 ratio as
per Rule Of Reservation in the descending order of merit in the written test.
b. The tests in part – B are mandatory to all the candidates who are called for these tests. The candidates, who failed in any of the tests of Part-B will be treated as totally disqualified for the selection process, even though they are qualified with good marks in written examination.

APCPDCL Junior Lineman Syllabus in Details

The Syllabus for the post of Energy Assistants (Junior Lineman Grade II) has mentioned below. The Syllabus will be based on the official recruitment notification. The Difficulty Level will be based on ITI Syllabus. Detailed Description mentioned below –

Fundamentals of Electrical Engineering

Electric currentconductors
SemiconductorsInsulators, Electric potential
ResistanceLaws of resistance
Effects of temperature on resistanceOhms law
Resistances in seriesParallel and Series-parallel
Kirchhoff’s laws***
APCPDCL Junior Lineman Syllabus

Electro Magnetism

Introduction to magnets,Magnetic pole,
Magnetic axis, Pole strength,
Properties of magnets,Classification of magnets,
Fleming left hand rule, Field pattern of long straight conductor
APCPDCL Junior Lineman Syllabus

Electro Magnetic Induction

Concept of electroMagnetic induction Lenz’s law
Fleming’s rightHand rule
Faraday laws of electromagnetic inductionTypes of emf’s
Dynamically and statically induced emfSelf and mutual induction
APCPDCL Junior Lineman Syllabus

Cells and Batteries

Chemical effects of electric current-Faraday laws of electrolysis,
Cells and their componentsDefinition of battery-
Primary cells –Defects and remedies,
Dry cell-Secondary cell-
Comparison between primary cells and secondary cells, Lead acid cell-
Principle and working of lead acid
cell detailed study
Wh & Ah efficiencies of cell
Charging methods of secondary cellsMaintenance of Lead acid cell and testing of lead acid battery
APCPDCL Junior Lineman Syllabus


Definition of Electric charge& its UnitsCapacitance
Definition and formulaTypes of Capacitors
Capacitors in series and parallel***
APCPDCL Junior Lineman Syllabus

Electrical Wiring accessories, wiring tools and wire joint

Types of switches with modern approachOther accessories like lamp holders
Ceiling rosesSockets
Fuses etc. (detailed study)Fuses and fuse materials
MCB & CBsWiring tools
Wire joints,Soldering
Taping and termination of wires/Cables and cable joints***

Wiring Systems & wiring circuits

Types of house wiring-Cleat wiring,
CTS/TRS wiring, Conduit wiring,
Casing capping wiring-detailed study,Comparison between different wiring methods,
Stair case wiring, series and parallel circuits,
Master switch circuits, Corridor wiring circuits,
Fluorescent tube lightCircuit, flashers, moving lights.
APCPDCL Junior Lineman Syllabus


Necessity of earthingDefinitions of fundamental terms in earthing like earth
Earth leadEarth electrode
Earth wire etc.Types of earthing
Detailed study of pipe earthing and plate earthingSpecifications of materials used for earthing
Measurement of Earth resistanceIE rules for earthing.

IE rules for Electrical wiring

Precautions to be observed while installing different electric appliances in houses,I E Rules regarding house wiring,
Causes of Fire accidents due to Electricity failures.***

Indicating Instruments

Classification of Indicating type measuring instruments, Effects of currents used in indicating instruments,
torques/forces in electrical instruments, Basic requirements of indicating instruments,
Moving Iron Instruments,MC instruments –
difference between MI and MC
Extension of MI & MC Instruments,
Measurement of PowerDynamometer type,
different types of errors in indicating instruments.***
APCPDCL Junior Lineman Syllabus

Integrating Instruments

Definition and classification of integrating instruments, 1-ph, 3-ph phase induction type energy meters,
***Errors in energy meters.

Special instruments

Power factor meterFrequency meter
SynchronoscopeInstrument transformers CT-PT
Multi meterMegger, Tongue tester.

Semiconductor Devices and Their Applications

Atomic structure and semiconductor theoryP-type and N-type materials
P-N junctionbiasing and characteristics of diodes
Rectifier circuithalf wave,
full wavebridge rectifiers
Transistorstypes of transistors
configurationsapplications, working of inverter and UPS
APCPDCL Junior Lineman Syllabus

D.C. Generators

Principle of working-Significance of back EMF (Eb)
Types of dc motors, Series-shunt and compound motors,
speed and torque equation, Speed Control of Motors
Field control method
for series & shunt motors-
Armature control methods (for shunt motors only)
DC motor starters4-point starter
Necessity of starter working of 3-point starter
Applications of different types of motors.***

A C fundamentals & Circuits

Definitions of Alternating currents and voltage, Different wave forms,
Definition of cycleTime period
Frequency Amplitude
Instantaneous value Maximum
Average and RMS values of A.C voltage & current Form factor
Peak factor of sinusoidal wave, Phaser representation of A.C,
Phase & Phase difference of ac, Power & Power Factor.
Single phase A.C. Through Pure Resistive/Inductive/capacitive circuit-
Phaser diagrams Power
Power factorA.C. through R-L/R-C/R-L-C Circuit Current
Voltage phasor diagram PowerPower factor
Poly phase circuits-Advantages of poly phase over single
phase Star and delta connection- Voltage & current Relation in star connection
Delta or mesh connections3-phase power equation
APCPDCL Junior Lineman Syllabus


Transformer Its construction,
Working, Performance,
EMF equation, Cooling of transformer,
Losses and efficiency, Transformation ratio.
Construction of core, Winding shielding,
Auxiliary parts breather Conservator
Buchholz’s relay, Other protective devices
Transformer oil testing,Auto transformer
APCPDCL Junior Lineman Syllabus


Principle and operation of AlternatorsRelation between speed
No. of poles and frequencyConstructional details of alternator
Salient pole type and smooth cylindrical typeEMF equation

Three-Phase Induction Motors

Classification of 3-Ph motorsWorking principle of 3-Ph Induction motors
Relations between NsNo. of poles and supply frequency
Definition of Slip & slip speedConstructional details of Induction Motors
Squirrel cage and slip ring motorsStarters for Induction Motors Necessity of starter
D.O.L starter-Star/delta starterRotor resistance starter for slip ring
Induction Motor
APCPDCL Junior Lineman Syllabus

Single phase Induction Motors

Principle of operation of SinglePhase Induction Motors
Types of 1-Ph Induction motor like
Split phase
Capacitor start
Capacitor start capacitor runShaded pole motors- their applications

Generation of Power

Sources of Electrical Energy- Conventional
Non conventional energy sources,Generation of Electrical power using conventional energy sources –
Working of Hydel and Thermal power
APCPDCL Junior Lineman Syllabus

Transmission and Distribution of Power

Transmission of power from generating station to receiving stationsUse of step-up and stepdown transformers and associated equipment
Use of Circuit breakerIsolators
Earth switchesC.T.’s etc.
Distribution of power Transformer substations
Distribution T/F Substation Double Pole StructurePole mounted and Plinth mounted T/F
Substation associated equipment such as A.B. switchL.A.-H.G. Fuse-Circuit Breaker

Planning, Estimation & Costing of Wiring

Control Panel elementsTypes and specifications
Concept and Principle of planEstimation and cost.
Preparation of complete house wiring layoutIndustrial wiring.
APCPDCL Junior Lineman Syllabus


Introduction of IlluminationTerms & definitions
Laws of illuminationRequirements of good lighting
Intensity of lightImportance of light
Color available.Construction
Working & applications ofIncandescent lamp
Fluorescent tubeCFL
Neon signHalogen
Mercury vapour and typesSodium vapour etc. Decoration lighting.

Examination Centers

Centers for Pole Climbing and Meter Reading

Venue: Respective Circle Head Quarters
Date: Exact Date will be kept in the APCPDCL Website.

Written Exam will be held at Andhra Pradesh Examination Centers.

APCPDCL Junior Lineman Syllabus – Important Links

DetailsDownload Links
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Official Recruitment NotificationClick Here
Result LinkTo be announced
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