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Homeowner guide
Planning a contractors project
Electrical work affects your home's safety. In Ontario, electrical installations are overseen by the Electrical Safety Authority, and most work should be done by a Licensed Electrical Contractor.
If you notice burning smells, sparking or breakers that trip repeatedly, stop using the circuit and call a professional.
Frequently asked questions about Contractors
How much does an electrician typically cost in Ontario?
Costs depend on the type of work, materials, wall and ceiling access, permit or notification requirements, and whether the job is planned or urgent. Small repairs, new circuits and panel upgrades are priced very differently. Because every home and scope is different, the only reliable number is a written quote. Ask two or three local businesses to visit and quote the same scope so you can compare like for like.
What are the warning signs that my home's electrical system needs attention?
Warning signs include breakers that trip frequently, flickering or dimming lights, warm or discoloured outlets and switch plates, buzzing sounds, burning smells, sparks, and outlets that feel loose. Relying heavily on extension cords can also signal that you need more circuits. Any burning smell or sparking should be treated as urgent — stop using that circuit and call an electrician.
When should an electrical panel be upgraded?
An upgrade may be worth considering when you're adding major loads — such as an EV charger, heat pump, hot tub or addition — when the panel has no room for new circuits, or when it's old, damaged or shows signs of overheating. An electrician can assess your current service and panel and tell you whether an upgrade is actually needed.
Do I need an electrician to install new outlets or lighting?
In Ontario, most electrical work should be done by a Licensed Electrical Contractor, and much of it requires notifying the Electrical Safety Authority (ESA) so it can be inspected. Rules for homeowners doing work on their own home are specific, so check ESA's guidance before attempting anything yourself. Hiring a licensed contractor is the safest approach.
What electrical work requires a permit in Ontario?
Rather than a municipal building permit, electrical work in Ontario is generally covered by a notification of work filed with the Electrical Safety Authority, which arranges inspection. This applies to most installations, alterations and repairs. A Licensed Electrical Contractor normally handles this for you. Check ESA's website for the current requirements for your specific project.
How do I choose a qualified electrician for my home?
Ask for the business's ECRA/ESA Licensed Electrical Contractor number and confirm it using ESA's online lookup. Ask whether they will file the notification and arrange inspection, request a written quote, and confirm they carry liability insurance. Experience with similar work — such as panel upgrades or renovations — is also worth asking about.
This information is general guidance for homeowners. Requirements and pricing vary — always confirm details with a qualified professional and your local municipality.