Grounded in Ontario

As Ontario's Electrical Safety Code introduces major new bonding requirements for pools and hot tubs, ESA Technical Advisor Trevor Tremblay breaks down why stray voltage is becoming a growing safety concern — and what electrical contractors need to know about equal potential bonding, perimeter grids, water bonding, and new hot tub requirements to protect clients, reduce liability, and avoid costly troubleshooting down the road.

The 29th edition of the Ontario Electrical Safety Code is now in effect, bringing important changes that contractors, designers, and DIY homeowners need to understand. In this episode, ESA Technical Advisor, Trevor Tremblay walks through the most notable updates, why they matter, and how to stay compliant as the rules shift. From EVSE load thresholds to outdoor receptacle requirements and pool bonding safety, staying informed now will prevent costly rework later.

While meter bases may seem like a simple piece of infrastructure, incorrect installations can pose serious risks. In this episode, ESA Technical Advisor, Trevor Tremblay discusses common mistakes, updated code requirements, and best practices for bonding and grounding meter bases in the lead-up to the October 2025 enforcement deadline. To stay sharp, contractors will need to read all rules carefully and always double-check labeling.

Energy Storage Systems (ESS) are transforming energy management by providing backup power, reducing electricity costs, and enabling greater energy independence, especially when paired with solar systems and EV chargers. In this episode, ESA's Technical Advisor Trevor Tremblay explains why it's critical for LECs to follow strict installation guidelines, including using fine-strand cables, maintaining one-meter working spaces, and adhering to location restrictions like avoiding crawlspaces or bedrooms to reduce severe hazards.

ESA's Technical Advisor, Diana Madill, shares her inspiring career journey from electrician to inspector and helps break down the role and responsibilities of this critical position. Diana also discusses her career path to her current role, the credentials needed to advance and some of the challenges she's overcome as a woman in the trade. Whether you're a Master Electrician, a Licensed Electrical Contractor or just curious what a career in the electrical industry looks like, Diana provides a detailed roadmap for you to follow.