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BTSC ITI Instructor (Electrician/Wireman) Syllabus 2026, Exam Pattern
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BTSC ITI Instructor (Electrician/Wireman) Exam - Hindi100 questions • 120 mins • 100 marks
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BTSC ITI Instructor (Electrician/Wireman) Exam - English100 questions • 120 mins • 100 marks
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BTSC ITI Instructor Electrician Combo Packages
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Combo Package
BTSC ITI Instructor Electrician
Combo - 1 (Hindi)
1. Online Mock Test Series in Hindi = 10 Tests.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
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Combo Package
BTSC ITI Instructor Electrician
Combo - 2 (Hindi)
1. Online Mock Test Series in Hindi = 13 Tests.
2. Question Bank - 2000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
2. Question Bank - 2000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
4. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
₹261₹291
Combo Package
BTSC ITI Instructor Electrician
Combo - 3 (English)
1. Online Mock Test Series in English = 10 Tests.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 1000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
₹201₹231
Combo Package
BTSC ITI Instructor Electrician
Combo - 4 (English)
1. Online Mock Test Series in English = 13 Tests.
2. Question Bank - 2000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 2000 Questions with Answer.
3. 1500 (+) Current Affairs MCQ with Answer PDF in English.
4. 1000 (+) GK MCQ with Answer PDF Book in English.
₹261₹291
Combo Package
BTSC ITI Instructor Electrician
Combo - 5 (Hindi)
1. Online Mock Test Series in Hindi = 13 Tests.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
5. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
5. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
₹681₹751
Combo Package
BTSC ITI Instructor Electrician
Combo - 6 (English)
1. Online Mock Test Series in English = 13 Tests.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in English.
5. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. 1500 (+) Current Affairs MCQ with Answer PDF in English.
5. 1000 (+) GK MCQ with Answer PDF Book in English.
₹681₹751
Combo Package
BTSC ITI Instructor Electrician
Combo - 7 (Hindi)
1. Online Mock Test Series in Hindi = 13 Tests.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of BTSC ITI Instructor Electrician (1000 MCQ) PDF Format in Hindi.
5. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
6. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of BTSC ITI Instructor Electrician (1000 MCQ) PDF Format in Hindi.
5. 1500 (+) Current Affairs MCQ with Answer PDF in Hindi.
6. 1000 (+) GK MCQ with Answer PDF Book in Hindi.
₹781₹941
Combo Package
BTSC ITI Instructor Electrician
Combo - 8 (English)
1. Online Mock Test Series in English = 13 Tests.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of BTSC ITI Instructor Electrician (1000 MCQ) PDF Format in English.
5. 1500 (+) Current Affairs MCQ with Answer PDF in English.
6. 1000 (+) GK MCQ with Answer PDF Book in English.
2. Question Bank - 2000 Questions with Answer.
3. Printed Material 10 Mock Test Papers with OMR Sheet.
4. EBook of BTSC ITI Instructor Electrician (1000 MCQ) PDF Format in English.
5. 1500 (+) Current Affairs MCQ with Answer PDF in English.
6. 1000 (+) GK MCQ with Answer PDF Book in English.
₹781₹941
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BTSC ITI Instructor (Electrician/Wireman) Syllabus 2026, Exam Pattern
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BTSC ITI Instructor (Electrician) Syllabus 2026, Exam Pattern, Exam Date 2026
Detail Information about BTSC has published notification 2026 for the recruitment of ITI Instructor (Electrician/Wireman) vacancies. Those Candidates who are Interested to the following vacancy and completed all Eligibility Criteria can read the Notification & Apply Online. In this page we provide the Complete Syllabus of this Recruitment with Latest Update Exam Pattern and the Exam Date also.
BTSC ITI Instructor Syllabus 2026 - Overview
| Recruitment Authority | Bihar Technical Service Commission |
| Post Name | ITI Instructor (Electrician/Wireman) |
| Vacancies | 249 |
| Selection Process | Written Exam/Experience |
| Job Location | Bihar |
| Category | Syllabus and Exam Pattern |
| Official Website | https://btsc.bih.nic.in |
BTSC ITI Instructor (Electrician/Wireman) Syllabus 2026
Technical Subject (Electrician) :
Unit 1: Various Electrical Safety rules and safety Signs/Symbols, Types and working of fire extinguishers, First aid safety practice, personal safety and factory safety, Response to emergencies e.g. power failure, system failure and fire. Trade tools specifications. Introduction to National Electrical Code-2011, Safety precautions, Description of files, hammers, chisels, hacksaw frames, sheet metal tools, carpenter's tools their specification and grades, care and maintenance of tools. Types of drills, description and use. Various wooden joints. Marking tools-calipers, dividers, surface plates, Angle plates, scribers, punches, surface gauges-types, uses, Care and maintenance, types of rivets and riveted joints, use of thread gauge.
Unit 2: Fundamentals of electricity, definitions, units and effects of electric current. Conductors and Insulators, various conducting and insulating materials. Joints in electrical conductors, techniques of soldering, Types of solders and flux. Underground cabled-Description, types, various joints and testing procedure, cable insulation. Ohm's law, Kirchhoff's law, series and parallel electrical circuits, open, closed and short circuits. Resistance, various types of Resistors, effect of temperature on Resistance, colour coding of Resistors, different methods of measuring resistances. Self and mutually induced emf, Faraday's laws of electromagnetic Induction, Lenz's law, Inductor, and their functions, capacitor, different types of capacitors and their functions. Comparison of DC and AC systems, concept of frequency, Instantaneous value, RMS value, Average Value, form factor, peak factor, power factor and Impedance, Active, Reactive and Apparent Power, concept of Single phase and three phase A.C. Systems. Three phase Star and Delta connection, Line and phase voltage, current and power in three phase A.C. Circuits. Laws of Electrolysis, Types of cells, Types of battery charging, safety precautions, test equipment and maintenance, Electroplating
Unit 3: 1.E. rules of electric wiring, Types of domestic and Industrial Wirings, wiring accessories-switches, fuses, relays, MCB, Layout of simple domestic wiring. PVC, Conduit and Casing-Capping wiring system, wiring circuits planning, permissible load in sub-circuit and main circuit. Estimation of load, cable size, bill of material and cost. Study of special wiring circuit-godown, tuhnel and workshop. Importance of Earthing, Plate earthing and pipe earthing, Earth resistance, Neutral and Earth.
Unit 4: Laws of Illuminations, Types of Illumination system, Illumination factors, intensity of Light, Types of lamps, calculation of lumens and efficiency. Various types of electrical measuring Instruments-Ammeter, Voltmeter, wattmeter, Energy meter, frequency meter, Multimeter, phase-sequence meter-Anolog and Digital process to measure these parameters in D.C., Single phase A.C. and three phase A.C. Systems. Errors and corrections in measurement, Extension of range and calibration of measuring instruments. Working principles and circuits of common domestic equipment and appliances.
Unit 5: Working Principle, construction and classification of Transformer, Turn ratio, emf equation. Auto Transformer and Instrument Transformer (CT and PT), Methods of cooling, protection and testing of Transformer. Materials used for winding small Transformer.
Unit 6: Principle and working of D.C. generator, Various parts of D.C. generator, various types of D.C. generator, Applications, Losses and efficiency in D.C. generator, Construction, working principle and types of D.C. Motors, Losses and efficiency in D.C. Motors, Types of D.C. Motor starters, Methods of speed control in D.C. Motors. Construction and working principle of three plase Induction motor, Types of Induction motor, Types of Induction Motor starters. Domestic and industrial applications of different single phase A.C. Motors, Construction and working principle of Alternator. Working principle of synchronous motor, starting and application of synchronous motor.
Unit 7: Symbol, Construction and Working of P-N Junction Diode and Zener Diode, P-N Diode and Zeuer Diode Characteristics, Construction and Working of Half-Wave Rectifier, Construction and working of Full-wave Rectifier. Symbol, Types and Construction of Bipolar Junction Transistor, Working of NPN and PNP Transistor. Binary, Octal, Decimal and Hexadecimal number systems. AND, OR, NOT, NAND, NOR, XOR. Logic Gates with symbol, Truth Table, Logic expression.
Unit 8: Voltage stabilizer, emergency light, battery charger, inverter and UPS. Conventional and Non-Conventional energy sources. Power generation by thermal and hydel power plants. Line Insulators, overhead poles and method of joining aluminium conductors. Substations.
Unit 1: Various Electrical Safety rules and safety Signs/Symbols, Types and working of fire extinguishers, First aid safety practice, personal safety and factory safety, Response to emergencies e.g. power failure, system failure and fire. Trade tools specifications. Introduction to National Electrical Code-2011, Safety precautions, Description of files, hammers, chisels, hacksaw frames, sheet metal tools, carpenter's tools their specification and grades, care and maintenance of tools. Types of drills, description and use. Various wooden joints. Marking tools-calipers, dividers, surface plates, Angle plates, scribers, punches, surface gauges-types, uses, Care and maintenance, types of rivets and riveted joints, use of thread gauge.
Unit 2: Fundamentals of electricity, definitions, units and effects of electric current. Conductors and Insulators, various conducting and insulating materials. Joints in electrical conductors, techniques of soldering, Types of solders and flux. Underground cabled-Description, types, various joints and testing procedure, cable insulation. Ohm's law, Kirchhoff's law, series and parallel electrical circuits, open, closed and short circuits. Resistance, various types of Resistors, effect of temperature on Resistance, colour coding of Resistors, different methods of measuring resistances. Self and mutually induced emf, Faraday's laws of electromagnetic Induction, Lenz's law, Inductor, and their functions, capacitor, different types of capacitors and their functions. Comparison of DC and AC systems, concept of frequency, Instantaneous value, RMS value, Average Value, form factor, peak factor, power factor and Impedance, Active, Reactive and Apparent Power, concept of Single phase and three phase A.C. Systems. Three phase Star and Delta connection, Line and phase voltage, current and power in three phase A.C. Circuits. Laws of Electrolysis, Types of cells, Types of battery charging, safety precautions, test equipment and maintenance, Electroplating
Unit 3: 1.E. rules of electric wiring, Types of domestic and Industrial Wirings, wiring accessories-switches, fuses, relays, MCB, Layout of simple domestic wiring. PVC, Conduit and Casing-Capping wiring system, wiring circuits planning, permissible load in sub-circuit and main circuit. Estimation of load, cable size, bill of material and cost. Study of special wiring circuit-godown, tuhnel and workshop. Importance of Earthing, Plate earthing and pipe earthing, Earth resistance, Neutral and Earth.
Unit 4: Laws of Illuminations, Types of Illumination system, Illumination factors, intensity of Light, Types of lamps, calculation of lumens and efficiency. Various types of electrical measuring Instruments-Ammeter, Voltmeter, wattmeter, Energy meter, frequency meter, Multimeter, phase-sequence meter-Anolog and Digital process to measure these parameters in D.C., Single phase A.C. and three phase A.C. Systems. Errors and corrections in measurement, Extension of range and calibration of measuring instruments. Working principles and circuits of common domestic equipment and appliances.
Unit 5: Working Principle, construction and classification of Transformer, Turn ratio, emf equation. Auto Transformer and Instrument Transformer (CT and PT), Methods of cooling, protection and testing of Transformer. Materials used for winding small Transformer.
Unit 6: Principle and working of D.C. generator, Various parts of D.C. generator, various types of D.C. generator, Applications, Losses and efficiency in D.C. generator, Construction, working principle and types of D.C. Motors, Losses and efficiency in D.C. Motors, Types of D.C. Motor starters, Methods of speed control in D.C. Motors. Construction and working principle of three plase Induction motor, Types of Induction motor, Types of Induction Motor starters. Domestic and industrial applications of different single phase A.C. Motors, Construction and working principle of Alternator. Working principle of synchronous motor, starting and application of synchronous motor.
Unit 7: Symbol, Construction and Working of P-N Junction Diode and Zener Diode, P-N Diode and Zeuer Diode Characteristics, Construction and Working of Half-Wave Rectifier, Construction and working of Full-wave Rectifier. Symbol, Types and Construction of Bipolar Junction Transistor, Working of NPN and PNP Transistor. Binary, Octal, Decimal and Hexadecimal number systems. AND, OR, NOT, NAND, NOR, XOR. Logic Gates with symbol, Truth Table, Logic expression.
Unit 8: Voltage stabilizer, emergency light, battery charger, inverter and UPS. Conventional and Non-Conventional energy sources. Power generation by thermal and hydel power plants. Line Insulators, overhead poles and method of joining aluminium conductors. Substations.
General Studies & Current Affairs :
1. History (Ancient, Medieval, Modern)
2. Geography (Physical, Economic, World)
3. Indian Polity and Governance
4. Indian Economy (including Budget, Banking, and Finance)
5. Science and Technology
6. Environmental Studies
7. Current Affairs (National and International)
8. Social Issues and Social Welfare Programs
9. Sports and Awards
10. Art and Culture
11. Disaster Management
12. Government Schemes and Policies
13. Indian Constitution
14. International Relations
15. Important Events and Anniversaries
16. Books and Authors
17. Personalities in News
18. Scientific Discoveries and Innovations
19. National and International Organizations
20. Security and Defense-related matters
BTSC ITI Instructor (Electrician/Wireman) Exam Pattern 2026
Duration : 120 Minutes
Negative Marking : 0.25
Exam Date : Update Soon
Starting Date of Application Form : 15th April 2026
Last Date of Application Form : 15th May 2026
Total Post : 249
Negative Marking : 0.25
| S.No | Subject | No.of Question | Mark |
| 1 | Technical Subject | 80 | 80 |
| 2 | General Studies & Current Affairs | 20 | 20 |
| Total | 100 | 100 |
Exam Date : Update Soon
Starting Date of Application Form : 15th April 2026
Last Date of Application Form : 15th May 2026
Total Post : 249
FAQs
Btsc ITI Instructor (electrician/wireman) 2026 Exam Syllabus Frequently Asked Questions (FAQ's)
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The BTSC ITI Instructor Electrician Exam pattern includes details like the number of sections, total questions, marks distribution, and exam duration. Toppersexam provides a comprehensive guide on exam format, marking scheme, and question types.
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