Classes
Electrician

Subject: Trades and Vocational

🧩 40 Practice Tests & Quizzes 📘 67 Study Guides
Introduction

An electrician is a tradesman specializing in electrical wiring of buildings, stationary machines, and related equipment. Electricians may be employed in the installation of new electrical components or the maintenance and repair of existing electrical infrastructure. Electricians may also specialize in wiring ships, airplanes, and other mobile platforms, as well as data and cable.

Some topics an electrician has to know:

  • Definitions, Theory, and Plans  
  • Electrical Services, Service Equipment, and Separately Derived Systems  
  • Electrical Feeders 
  • Branch Circuit Conductors 
  • Electrical Wiring Methods and Electrical Materials  
  • Electrical Equipment and Devices 
  • Motors and Generators 
  • Electrical Control Devices and Disconnecting Means  
  • Special Occupancies, Equipment, and Conditions 
  • Renewable Energy Technologies  

Typical job responsibilities

Electrician General:
- installs, maintains and repairs electrical machinery equipment and fittings in factories, workshops powerhouse, business and residential premises etc. 
- studies drawings and other specifications to determine electrical circuit, installation details etc. 
- positions and installs electrical motors, transformers, switchgears. Switch boards and other electrical equipment, fittings and lighting fixtures. 
- makes connections and solders terminals. 
- tests electrical installations and equipment and locates faults using megger, test lamps etc. 
- repairs or replaces defective wiring, burnt out fuses and defective parts and keeps fittings and fixtures in working order. 
- may do armature winding, draw wires and cables and do simple cable jointing. May operate, attend and maintain electrical motors, pumps etc.

Electrical Fitter
- fits and assembles electrical machinery and equipment such as motors, transformers, generators, switchgears, fans etc., 
- studies drawings and wiring diagrams of fittings, wiring and assemblies to be made. 
- cCollects prefabricated electrical and mechanical components according to drawing and wiring diagrams and checks them with gauges, megger etc. to ensure proper function and accuracy. 
- fits mechanical components, resistance, insulators, etc., as per specifications, doing supplementary tooling where necessary. 
- follows wiring diagrams, makes electrical connections and solders points as specified. 
- checks for continuity, resistance, circuit shorting, leakage, earthing, etc. at each stage of assembly using megger, ammeter, voltmeter and other appliances and ensures stipulated performance of both mechanical and electrical components filled in assembly.

- erects various equipment such as bus bars, panel boards, electrical posts, fuse boxes switch gears, meters, relays etc. using nonconductors, insulation hoisting equipment as necessary for receipt and distribution of electrical current to feeder lines. 
- installs motors, generators, transformer etc. as per drawings using lifting and hoisting equipment as necessary, does prescribed electrical wiring, and connects to supply line. 
- locates faults in case of breakdown and replaces blown out fuse, burnt coils, switches, conductors etc. as required. Checks, dismantles, repairs and overhauls electrical units periodically or as required according to scheduled procedure. 
- may test coils. May specialize in repairs of particular equipment manufacturing, installation or powerhouse work and be designated accordingly.
 

Sample Curriculum: Electrician (pdf)

Related: Wireman


Latest Practice Tests / Quizzes
📝 Tools and the Job Site: Electrician Work Procedures
📝 National Electrical Code Chapter 9: Working with Tables
📝 National Electrical Code Chapter 8: Communications Systems
Latest Study Guides
📄 Electrician: Wiring Methods - Wire Gauge Selection - AWG System - Larger Number, Smaller Wire
📄 Electrician: Wiring Methods - Raceway Systems - Wireways, Cable Trays, Busways - Sizing and Permitted Uses
📄 Electrician: Wiring Methods - NM Cable Romex - Installation, Stapling, Bending, Protection Requirements
Exam Survival Guides
Survival guide for this class coming soon.