FAQ

Ontario Electrical Safety Code

What is the Ontario Electrical Safety Code?

The Ontario Electrical Safety Code is a provincial regulation that sets safety standards for the installation and maintenance of electrical equipment. It is mainly a technical document aimed at enforcing safety standards. Revisions to the Ontario Electrical Safety Code are made through consultation at both the provincial and national level, and through the Electrical Safety Authority and its safety partners. 

I have already purchased the Canadian Electrical Code. Do I need the Ontario Electrical Safety Code?

Yes. The law requires that all electrical installations in Ontario meet the requirements of the Ontario Electrical Safety Code. If you perform electrical work in Ontario, you should have a current copy of the 2018 Ontario Electrical Safety Code. It contains the complete version of the Canadian Electrical Code and the Ontario-specific amendments. 

What is the difference between the Canadian Electrical Code and the Ontario Electrical Safety Code?

In addition to specific Ontario administrative requirements, there are also technical differences. These are identified in the Code with the symbol below. 

How can I tell the difference between the Ontario amendments of the new Code and the CEC rules?

The Ontario amendments are identified by a black trillium symbol (below) and the Ontario text is in italics. A list of the Ontario amendments is also provided in the Ontario Electrical Safety Code section of the ESA website.

How much does the 2018 Ontario Electrical Safety Code cost?

ESA has partnered with CSA Group to offer the Ontario Electrical Safety Code book and all ESA bulletins together for one price, at a reduced rate from prior years. Bulletins provide important updates and interpretations and used to be offered separately.

The package is available in print for $219 or a searchable, digital format for $195. The digital Code is accessible on smart phones, tablets and desktops, and is compatible with Windows and iOS.  

Is the 2018 Ontario Electrical Safety Code available in French?

Yes, Ontario-specific amendments based on the 2018 Ontario Electrical Safety Code are available in French on ESA’s website. The national version of the Canadian Electrical Code, Part 1, is available in French and English, and can be purchased through CSA Group

What is the size of the print version of the Ontario Electrical Safety Code book?

The Ontario Electrical Safety Code book is 8 ½ x 11 inches, spiral-bound. The Pocket Reference guide is 4 x 6 ¼ inches.

How do I get a defective Ontario Electrical Safety Code book replaced (e.g. missing page)?

Call the CSA Group at 800-463-6727 and ask for a replacement. CSA Group will ship the replacement at no charge.