This one confuses a lot of homeowners, so here is the plain version. In Ontario, electrical work is regulated by the Electrical Safety Authority, the ESA. Most work beyond swapping a light fixture needs a permit, called a notification, and an inspection.

The good news is that when you hire a licensed contractor, we take the permit and handle the inspection for you. You do not deal with the ESA yourself.

What needs a permit

As a rule of thumb, you need an ESA notification for work that changes the wiring, not just the device on the end of it. That includes:

  • A panel or service upgrade, for example going from 100 amp to 200 amp service.
  • Adding new circuits, outlets or lighting on new wiring.
  • An EV charger on its own dedicated circuit.
  • Wiring a basement, an addition or a second suite.
  • Anything involving the service, the meter base or the grounding.

Simply replacing a broken switch or receptacle with an identical one generally does not. But the moment new wire goes in, you are in permit territory.

What the inspection checks

An ESA inspector confirms the work meets the Ontario Electrical Safety Code: correct wire sizing, proper grounding and bonding, the right breakers, GFCI and AFCI protection where required, secured connections and safe clearances. On a finished job they sign it off and it goes on record.

That record is the part people underestimate. It is proof, for your insurer and for a future buyer, that the work was done to code and inspected.

Why the licensed part matters

Only a licensed electrical contractor can legally take a permit for your work. Provolta is licensed with the ESA, contractor number ECRA/ESA 7019058. That number on the permit means the person doing your wiring is accountable for it.

Unpermitted work is the problem we get called to fix most. It can void an insurance claim, hold up a house sale, and it sometimes hides real safety issues behind a wall. Paying to redo a DIY basement or a cash-job addition to bring it up to code costs far more than doing it once with a permit.

The short answer

If your project adds or changes wiring, assume it needs a permit and an inspection, and let a licensed contractor manage both. You get work that is safe, on record, and defensible if anyone ever asks.

Not sure whether your job needs one? Tell us what you are planning and we will let you know before we start. You can also read more about how we work on our about page.