Some of Mississauga's oldest neighbourhoods — pockets of Lakeview, Port Credit and Streetsville village — still have homes with original knob-and-tube wiring. This ungrounded, decades-old system is a safety and insurance concern. We replace knob-and-tube with modern grounded wiring, working room by room and coordinating ESA inspection throughout the project.
Knob & Tube Wiring in Mississauga: local know-how
Knob-and-tube wiring was standard in homes built before the 1950s, and you'll still find it in older Mississauga properties around Lakeview, parts of Port Credit and historic Streetsville. The wiring has no ground, the insulation becomes brittle with age, and it can't safely handle modern loads — and contact with later-added attic insulation creates a real fire risk. Many insurers in Ontario now refuse coverage or charge sharply higher premiums on homes with active knob-and-tube. We remove and replace it with grounded copper wiring, new boxes and properly grounded outlets, working around your living space and feeding circuits back to an updated panel. All rewiring is notified to the ESA and inspected, giving you documentation insurers typically ask for.
What's included
- Assessment of existing knob-and-tube and how much remains active
- Phased or whole-home rewiring to modern grounded wiring
- Updated outlets, switches and grounding
- Documentation insurers typically require
- Coordination of ESA permit and inspection
- Drywall-conscious approach to limit patching
Serving every part of Mississauga
We cover Port Credit, Streetsville, Meadowvale, Erin Mills, Lakeview and Cooksville — and the rest of Mississauga. Call (289) 799-3802 for same-day and emergency availability.