Understanding Knob and Tube Wiring in Canada: What Homeowners Need to Know

Knob and tube wiring, also known as knob-and-tube, was the standard method of electrical wiring in North American homes from the 1880s to the 1940s. While it served its purpose in the past, many Canadian homes still have active knob and tube wiring, which can pose safety risks and challenges with insurance coverage.

This infographic breaks down everything you need to know about knob and tube wiring in Canada, including how it works, common issues, and why professional replacement is essential. It also covers the importance of upgrading your knob and tube electrical wiring and modernizing your knob and tube wiring panel for safer, more efficient power distribution.

At Langstaff & Sloan, we specialize in inspecting, replacing, and updating knob and tube electrical systems in older homes across Ontario. If your property still has outdated knob and tube electrical wiring, this guide can help you understand the risks—and your options for safe, compliant rewiring.
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