Quebec Electrical chapter updated (CEC 2021 modified Quebec)
Quebec · Construction Code, Chapter V, Electricity: amendments in force March 26, 2026 (Canadian Electrical Code 2021, modified Quebec)
In force
Building codes
What changes
All law updatesQuebec's electrical chapter was updated with new provisions effective March 26, 2026, based on the Canadian Electrical Code 2021 (modified Quebec). Older rules may still be used for work started before October 17, 2027 under the September 2026 transition extension.
- Law or regulation
- Construction Code, Chapter V, Electricity: amendments in force March 26, 2026 (Canadian Electrical Code 2021, modified Quebec)
- Jurisdiction
- Quebec
- In force
- Mar 26, 2026
- Official source
- Régie du bâtiment du Québec
Who it affects and how
Contractors
General contractors, builders and construction business owners
Electrical contractors must apply CEC 2021 (modified Quebec) to new work, or document starts before the transition cut-off.
Trades
Subcontractors and trade contractors
Licensed electrical subcontractors need training on the CEC 2021 (modified Quebec) changes.
Workers
Employees and tradespeople on site
Electricians must work to the updated code requirements.
Suppliers
Sellers of materials, products and equipment
Electrical products must suit CEC 2021 requirements.
Designers
Architects, engineers and designers
Electrical engineers should design to CEC 2021 (modified Quebec).
Not directly affected: owners & developers, homebuyers & customers.
Plain-language summary by ArtBuild, checked against the official source on Oct 29, 2026. General information, not legal advice; you are responsible for how you use it. The official text governs: read it, and we recommend asking a lawyer or the regulator about your situation.