2024 Ontario Electrical Safety Code is Now Available
Business Section Members,
The Minister of Public and Business Service Delivery and Procurement approved the regulatory amendment to adopt the 2024 Ontario Electrical Safety Code (OESC or “the Code”), which comes into effect May 1, 2025.
The 2024 edition of the Code includes the Canadian Electrical Code, Part I, plus several Ontario-specific amendments.
This new edition includes changes designed to enhance electrical safety and the public including:
- Enhancing Plan Review requirements to include submission for some electric vehicle supply equipment (EVSE) installations, and to include stand-alone electric-power-generating-equipment and systems.
- Revising demand load calculation for single dwellings with EVSE loads.
- Enabling electrification by recognizing other types of energy management systems in addition to electric vehicle energy management system.
- Complete rewrite of the installation requirements of energy storage systems (ESS) at residential occupancies.
- Preventing electrical shock hazards with additional requirements for outdoor receptacles for single dwellings.
- Preventing overloading in the future by requiring labelling of maximum residential load.
- Enhancing bonding requirements for pools and hot tubs to prevent shock hazards.
- Permitting insulated conductors within an enclosure when connected to different sources of voltage, with specific conditions.
- Protecting the public with additional GFCI requirements for cords used at midways, carnivals, fairs, and festivals.
- Increase in allowable voltages in electric vehicle supply equipment installations.
- To View the Ontario Specific Amendments: https://esasafe.com/assets/files/esasafe/pdf/amendments/2024/2024-Ontario-Amendments-Final.pdf
- To Order a copy of the 2024 Ontario Electrical safety Code: https://www.csagroup.org/store/product/CSA%20C22.1%20ON%3A24/?utm_campaign=FY2425-oesc&utm_medium=other&utm_source=collateral&utm_content=1010-ESA-various-assets-oesc-2024-pdp-en