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.

• A high school diploma is usually required.
• A four- to five-year apprenticeship program is usually required.
• The electrician’s qualification certificate (construction) is mandatory in Newfoundland and Labrador, Nova Scotia, Prince Edward Island, New Brunswick, Quebec, Ontario, Saskatchewan, Alberta, British Columbia, Nunavut, the Northwest Territories and the Yukon and is offered, although voluntary, in Manitoba.
• The Electrician Qualification Certificate (residential wiring installer) is mandatory in Quebec and Ontario and is offered, although voluntary, in Newfoundland and Labrador.
• Skilled electricians can also obtain the Red Seal.