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Ontario Electrical Safety Code 27th Edition


The Electrical Safety Authority (ESA) is currently reviewing the Ontario Electrical Safety Code (OESC) requirements to ensure the regulatory framework provides the appropriate balance between the need to ensure safety and supporting modernization and eliminating unnecessary encumbrance on industry.

ESA is seeking the views of contractors, consumers, businesses and other stakeholders on all proposed amendments to the Ontario Electrical Safety Code. The consultation runs from Tuesday March 6 to Friday April 20, 2018.

Proposed Ontario Amendments

Proposal Number Rule Description of Change Proposed by
2018-OA-001 2-005(h) New Application for inspection not required for elevating devices Electrical Safety Authority
2018-OA-002 Section 2 Replace “inspection department” with “Authority” Electrical Safety Authority
2018-OA-003 Section 2 Change “Application for Inspection” to “Notification” and others Electrical Safety Authority


Clarification to exemptions from an application for inspection a notification Electrical Safety Authority


Add requirements for Plan Review of energy storage installations and of standby generation that supports life safety loads Electrical Safety Authority
2018-OA-006 2-010 Editorial change to clarify when plan review is not required Electrical Safety Authority
2018-OA-007 2-022(3) and Appendix B Note Amend requirements for lighting equipment approval Electrical Safety Authority
2018-OA-008 10-116(6) Relocate Ontario amendment about the use of a metal frame of a building as a grounding conductor. Electrical Safety Authority
2018-OA-009 12-022 New Requirements for cables and raceways installed in metal corrugated roof decking Electrical Safety Authority
2018-OA-010 16-222 and Appendix B Note Amend requirements for equipment connected to Class 2 circuits  Electrical Safety Authority
2018-OA-011 24-104(2) Delete current Ontario Amendment to Rule 24-104(2) Electrical Safety Authority
2018-OA-012 26-724 Delete current Ontario Amendment to Rule 26-724(f)(i) (2015) Electrical Safety Authority
2018-OA-013 28-500(4) and Appendix B Note New Add new requirement for use of manual motor controllers not suitable as disconnecting means Office of the Chief Coroner & Ontario Forensic Pathology Service
2018-OA-014 30-200(1) Delete existing Ontario Amendment to CE Code Rule 30-200(1) Electrical Safety Authority
2018-OA-015 Rule 64-000 and 64-900s New Include energy storage systems in Section 64  Electrical Safety Authority
2018-OA-016 68-072 New Add new requirement for disconnecting means for pools and hot tubs Electrical Safety Authority
2018-OA-017 75-904 Amend Specification 41 to include height requirements for a pole mounted transfer device Electrical Safety Authority
2018-OA-018 Appendix A Amend Appendix A as non-mandatory Electrical Safety Authority
2018-OA-019 Appendix B Note to Rule 2-024 Amend to recognize other certification bodies Electrical Safety Authority
2018-OA-020 78-000, 78-200 to 78-210 and 78-052 Delete current Ontario Amendment to Rules 78-000 and 78-200 to 78-210, and amend Rule 78-052 (CE Code 2018) to clarify GFCI requirements for branch circuits Electrical Safety Authority
2018-OA-021 30-1400 and Appendix B Note Clarification that Rules 30-1402 to 1410 apply to LED luminaires supplied by Power over Ethernet Electrical Safety Authority
2018-OA-022 26-656 New Increased AFCI requirements in dwelling units Electro Federation Canada
2018-OA-023 30-1009 New Clearances of poles supporting luminaires Electrical Safety Authority
2018-OA-024 30-1300 Amend requirement for Roadway lighting systems near distribution lines Electrical Safety Authority
2018-OA-025 16-310 and 16-330 (8) New Amend ampacity rating of Power over Ethernet (PoE) source equipment Peter Olders, Ontario Electrical Industry Training Trust


Backgrounder and Consultation Instructions

Template for Submitting Comments



Completed Consultations


Consultation Date
Licensing of Electrical Contractors and Master Electricians (Regulation 570/05) April 2017
Electrical Distribution Safety Regulation 22/04 April 2017
2017 Wiring Fee Adjustment July 2016
Exploring an Amendment to the Electrical Distribution Safety Regulation July 2016
Five-Year Licensing Renewal January 2016
Public Electrical Safety Awareness Survey November 2015
2016 Wiring Fee Adjustment June 2015
Public Electrical Safety Measure on LDC Scorecard March 2015 
Ontario Electrical Safety Code (OESC) 26th Edition March 2015
2015 Wiring Fee Adjustment July 2014
Harm Reduction Strategy 2.0 August 2014
2013/2014 Changes to Wiring Services Fees and Licensing Fees October 2012    
Proposed changes to Rule 2-005 - 2012  August 2011
Proposed Ontario Technical Amendments - 2012 August 2011