About the trade

An Electrician (Construction and Maintenance) plans, assembles, connects, installs, repairs, inspects, tests, verifies, and maintains electrical systems in various settings (for example, residential, commercial, institutional, industrial).

They measure, cut, thread, bend, assemble and install conduits, electrical conductor enclosures and supports. Electrical systems include heating, lighting, power, communication, control, security systems and renewable energy and energy storage systems.

Specifically, an Electrician (Construction and Maintenance):

  • lays out, assembles, installs, repairs, maintains, connects and/or tests electrical systems
  • plans installations from blueprints, sketches and specifications and installs all electrical and electronic devices
  • systematically diagnoses faults in electrical and electronic components, as required
  • measures, cuts, threads, bends, assembles and installs conduits and other electrical conductor raceways
  • splices and terminates electrical conductors
  • tests electrical and electronic equipment to ensure that they are functioning properly

In Ontario this trade is compulsory, which means certification or registration as an apprentice is legally required to practice the trade.

Electricians (Construction and Maintenance) make around $72,000 per year, two years after being certified.

Apprenticeship program

The Electrician (Construction and Maintenance) (309A) apprenticeship program consists of on-the-job and in-school training. The program typically takes five years to complete and consists of:

  • 8,160 hours of on-the-job training/work experience
  • 840 hours of in-school training

A minimum of Grade 10 high school education or its equivalent is required to qualify for the Electrician (Construction and Maintenance) apprenticeship program.

On-the-job training

An Electrician (Construction and Maintenance) apprenticeship involves practical training provided on-the-job by a skilled worker or trainer. The skills or competencies to be developed through this training include:

  • protecting self and others
  • reading, interpreting and revising schematic drawings and documentation
  • selecting, maintaining and using tools and equipment
  • installing, maintaining and repairing wiring systems
  • selecting, installing, maintaining and troubleshooting power distribution equipment systems

See all skills and competencies in the Apprenticeship Training Standard (PDF). 

In-school training

An Electrician (Construction and Maintenance) apprenticeship includes three levels of theoretical training delivered in a classroom, which includes subjects such as:

  • codes, legislation and regulations
  • blueprints, drawings and specifications
  • trade communication and documentation
  • electrical theory, wiring, motor starters and controls
  • transformers, generators, electronics

See all in-school training subjects in the Curriculum Training Standard (PDF).

Red Seal Program

The Interprovincial Standards Red Seal Program is the nationally recognized standard for skilled trades workers in Canada. In Ontario, this trade is part of the Red Seal Program under the title Construction Electrician.

If you are a tradesperson who holds a Red Seal-endorsed trade certificate, learn how you can apply to obtain an Ontario Certificate of Qualification in that trade without further training or examination.

Trade certification for experienced workers

If you have work experience and/or training in a skilled trade, from another province or territory in Canada, or from another country, you may be eligible for certification through a Trade Equivalency Assessment.

Canadian Forces (CF) trade qualifications: The Electrical Distribution Technician CF trade is equivalent to the Electrician (Construction and Maintenance) civilian trade in Ontario. Learn more about how you can be certified through a Trade Equivalency Assessment as a current or former member of the Canadian Forces.

Updated: July 30, 2021
Published: July 29, 2020