27th Edition of the Ontario Electrical Safety Code now Available

EIN 24 ESA 400

Dec 20, 2018

The 27th edition of the Ontario Electrical Safety Code (Code) has been finalized and is now available for purchase. The Code comes into effect as regulation on May 16, 2019. Members of the electrical industry are encouraged to begin familiarizing themselves with the new Code. Electrical work conducted after the effective date needs to meet its requirements. The new 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 protect workers and the public including:

  • Re-write of Section 10 requirements for bonding and grounding have been reorganized and reduced in size with some changes that will improve safety and simplify the installations;
  • Expanding the use of Tamper-resistant receptacles in educational facilities and hotels/motels;
  • Requirements for installing an identified (neutral) conductor at each control (switch) location of permanently installed luminaire;
  • Alignment with the Ontario Building Code to prevent the installation of high-voltage conductors over buildings;
  • Providing of adequate working space for electrical workers to undertake necessary repairs, maintenance and installation of transformers greater than 50kVA;
  • Prohibiting of installation of cables in concealed locations in corrugated roof decking
  • Adding requirements for Energy Storage systems; and
  • Facilitating the use of Power over Ethernet to provide a pathway for sources of electricity.

The Code book and all ESA bulletins – which provide important updates and interpretations – are sold together in print for $219 or in a searchable, digital format for $195 – accessible on smart phones, tablets and desktops and compatible with Windows and iOS.

“The Ontario Electrical Safety Code has been updated to include important advances in safety, so we can continue to keep Ontario families safe from electrical harm. I applaud ESA’s collaborative efforts to advance safety, reduce fires and save lives across Ontario,” said Bill Walker, Minister of Government and Consumer Services.

“Through a broad consultative process and in collaboration with our safety partners provincially and nationally, the new edition of the Ontario Electrical Safety Code provides Ontario businesses, consumers and homeowners with an improved and streamlined Code experience, enabling compliance and contributing to a safer Ontario for all,” says Nansy Hanna, Director of Engineering and Program Development, Regulatory and Safety Programs, Electrical Safety Authority.

The 27th edition of the Ontario Electrical Safety Code is distributed by CSA Group. The Code is currently available for purchase –print and eBook copies are scheduled to arrive in January 2019.

To purchase the Code, visit www.csagroup.org/oesc or call 800-463-6727. For more information on the new Code, contact ESA’s Customer Service Centre at 1-877- 372-7233 or visit www.esasafe.com.

Source

Related Articles


Latest Articles

  • Mastering Advanced Bidding Strategies in Electrical Contracting

    Mastering Advanced Bidding Strategies in Electrical Contracting

    December 1, 2025 By Melvin Newman, Patabid CEO & Ian Paterson, Patabid Client Success Manager and journeyman electrician with 30+ years of experience In the competitive world of electrical contracting, knowing how to estimate electrical jobs effectively can make the difference between winning profitable projects and watching opportunities slip away. For electrical contractors, mastering advanced… Read More…

  • Why Choosing the Right USB Charger Matters

    Why Choosing the Right USB Charger Matters

    December 1, 2025 Not all USB Chargers are Created Equal As the number of devices used daily increases, so does the need for a charger that delivers safe speeds and maximum charging potential. A high-quality USB charger delivers efficient charging without risk of damage, but the sea of USB chargers and outlets available on online… Read More…

  • How Homebuilding Incentives Can Pay Off for Cities, Homeowners and Local Economies: New Concordia Study

    December 1, 2025 A new study from Concordia University’s John Molson School of Business finds that improving housing affordability isn’t just a social good — it’s an economic growth opportunity. Build and Benefit: How Homebuilding Incentives Can Pay Off for Cities, Homeowners and Local Economies reframes housing policy reform as a sustainable fiscal growth strategy, demonstrating meaningful… Read More…

  • The Importance of HazLoc LED Lighting for Safe Workplaces

    The Importance of HazLoc LED Lighting for Safe Workplaces

    November 30, 2025 By CSC LED In Canada’s industrial lighting sector, one of the most critical yet often overlooked safety components is lighting designed specifically for hazardous locations, otherwise known as HazLoc (hazardous location) LED lighting. For workplaces dealing with flammable gases, vapours, combustible dust, or ignitable fibres, standard LED fixtures simply don’t cut it…. Read More…


Changing Scene

  • Skills Ontario Celebrates the Expansion of Trades & Tech Truck Program

    Skills Ontario Celebrates the Expansion of Trades & Tech Truck Program

    December 1, 2025 Skills Ontario is expanding its fleet of Trades & Tech mobile unit thanks to support from the Ontario Government. The government announced this morning it’s investment in Skills Ontario to expand experiential opportunities for Ontario’s future workforce.    “Ontario’s future relies on a strong, skilled workforce,” said David Piccini, Minister of Labour, Immigration,… Read More…

  • BC’s Canadian Mutual Recognition Agreement aims to Facilitate Interprovincial Trade

    BC’s Canadian Mutual Recognition Agreement aims to Facilitate Interprovincial Trade

    December 1, 2025 A new agreement signed by all provinces, territories, and the federal government will break down interprovincial trade barriers, making it easier for B.C. businesses to sell products across Canada, and for people to buy Canadian-made goods.   “When threats to Canada’s economic security land at our doorstep, we’re at our best when we work together as… Read More…

  • EB Horsman’s Commitment to Giving Back – A Year in Recap 2024/2025

    EB Horsman’s Commitment to Giving Back – A Year in Recap 2024/2025

    December 1, 2025 EB Horsman Cares is the company’s community engagement program that supports local children’s hospitals, communities, and non-profit initiatives with donations, fundraising, volunteering, and scholarships.  Since 1993, BC Children’s Hospital has been the primary recipient of EB Horsman & Son’s fundraising. However, as EB Horsman has continued to expand its businesses across Western… Read More…

  • Build Canada Homes Introduces Policy Framework to Guide its Investments in Affordable Housing

    Build Canada Homes Introduces Policy Framework to Guide its Investments in Affordable Housing

    December 1, 2025 Central to that work, the Government of Canada is stepping up with the recently launched Build Canada Homes, new federal agency with a mandate to scale up the supply of affordable housing across Canada. Build Canada Homes will also help fight homelessness by building transitional and supportive housing – working with provinces,… Read More…