- Locates and repairs faults to lines and ancillary equipment.
- Connects cables to test equipment and tests for balance, resistance, insulation and any defects.
- Connects and installs transformers, fuse gear, lightning arrestors, aircraft warning lights, cable boxes and other equipment.
- Assists with the erection of wood poles or steel towers to carry overhead lines.
- Removes protective sheath from wires and cables and connects by brazing, soldering or crimping and applies conductor insulation and protective coverings.
- Places prepared parts and sub-assemblies in position, checks their alignment and secures with hand tools to install x-ray and medical equipment, aircraft instruments and other electronic equipment.
- Examines drawings, wiring diagrams and specifications to determine appropriate methods and sequence of operations.