Electrical Guides for Ottawa Homeowners

Straight answers to the questions we hear most, written by Ryan Maxwell, Master Electrician and owner of Spark-E Unlimited. New guides are added as questions come in.

• Do You Need a 200 A Service for an EV Charger?

  Many Ottawa homes can add a Level 2 EV charger without a service upgrade. How a load calculation decides, and the options when there is no spare capacity.

  Updated October 28, 2026

• ESA Permits in Ontario: What Homeowners Need to Know

  Which electrical work needs an ESA notification, who files it, what the inspection and Certificate of Acceptance mean, and how to check a contractor's licence.

  Updated October 28, 2026