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This group performs some or all of the following duties:

• Install and maintain electrical power distribution equipment such as transformers, generators, voltage regulators, switches, circuit breakers, capacitors, inductors, and supervisory control and data acquisition (SCADA) systems
• Install and maintain electrical equipment and apparatus in generating stations or powerhouses
• Inspect and test installed electrical equipment and apparatus to locate electrical faults and check their operation, using volt meters, ammeters and other electrical test instruments and equipment
• Repair or replace faulty electrical equipment and apparatus
• Complete test and maintenance reports.

• Completion of secondary school is usually required.
• Completion of a four-year apprenticeship program for power system electricians or a combination of over four years of work experience in the trade and some college or industry courses in electrical technology is usually required.
• Trade certification is available, but voluntary, in Manitoba, Alberta, the Yukon, the Northwest Territories and Nunavut.

• Progression to supervisory positions is possible with experience.

• Electrical mechanics (7333)
• Electrical power line and cable workers (7244)
• Electricians (except industrial and power system) (7241)
• Industrial electricians (7242)
• Supervisors of power system electricians (in 7202 Contractors and supervisors, electrical trades and telecommunications occupations)