Summary of changes to the 2021 Canadian Electrical Code

November 3, 2022

Top 20 changes you need to know about the 2021 Canadian Electrical Code

Effective October 1, 2022 a new version of the Canadian Electrical Code will be adopted in BC. This code highlights the minimum safety requirements for the installation and maintenance of electrical equipment. 

These are the top changes you’ll need to know about when performing regulated electrical work as of October 1, 2022: 

Higher threshold for low-voltage installations from 750 volts to 1000 volts AC and 1060 volts DC.

Revision to formalize the requirement to evaluate equipment that has been wetted.

Revision to reduce the risk of flood damage to electrical equipment.

Permission to install CTs in service equipment.

Revision to permit the splicing of conductors when voltage drop requires conductor upsizing. 

Re-insertion of rule from the 2015 Code regarding important safety bonding requirements.

Addition of rule prohibiting the running of cables or raceways on the topside of the roof deck below the roof membrane.

New tables and new method to calculate conduit fill.

Changes to installation methods of cables and conductors in cable tray.

New series of rules for installing electrical equipment in farm buildings.

Deletion of rule requiring sprinkler protection of electrical equipment in vaults or electrical rooms.

New requirement to add GFCI protection for branch circuits in flood hazard zones.

New allowance for subdivided single-family dwellings to have all fire detection devices to be energized from a single unit’s panel.

New allowance for receptacles behind kitchen sinks.

New requirement for all outdoor receptacles to have GFCI protection within 2.5 meters of finished grade.

New rule requiring receptacles for sump pumps when installed within a flood hazard zone.

Addition of safety requirements for high voltage disconnects.

New rules for tower and station grounding.

New rules for installing energy storage systems. 

Relaxation of disconnection requirements for EV chargers below 60 amps.

The new edition of BC Electrical Code will make one deviation from the Canadian Electrical Code: subrules 7 and 8 of Rule 66-456 (Section 66) will not be enforced in BC. Learn more about the adoption of the BC Electrical Code, 2021 edition.

In 2021 we held an online consultation about the impacts of adopting the Canadian Electrical Code in BC and any related issues. You can read a summary of what we heard during the consultation, as well as the impact assessments on our Engage page.

If you’re interested in conversations with the Technical Safety BC community and being a part of future consultations, register to get involved now.

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