Electricians in this unit group perform some or all of the following duties:

• Reading and interpreting circuit diagrams, circuit diagrams and electrical code requirements to determine the layout of wiring in various new or existing buildings;
• Pass the cable through the ducts and through the walls and floors;
• Install the brackets and brackets on which the electrical equipment is mounted;
• Install, replace and repair lighting devices and electrical control and distribution equipment, such as switches, relays and circuit breakers;
• Splicing, joining and connecting cables to devices and components to establish circuits;
• Conduct continuity tests to ensure compatibility and safety of the circuits, after installation, replacement or repair, using appropriate instruments;
• Localize and isolate faults in electrical and electronic systems, and remove and replace defective components;
• Connect the power supply to audio-visual equipment, signaling devices and heating and air-conditioning equipment;
• Carry out preventive maintenance programs and maintain maintenance records.