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

When you step into some of Calgary’s charming older neighborhoods, you might find yourself captivated by the character of century-old homes. But behind those beautiful facades, a relic from the past often lurks - knob and tube wiring. This early electrical system, once state-of-the-art, now raises eyebrows (and sometimes insurance premiums) for today’s homeowners. Let’s take a closer look at what knob and tube wiring is, why it matters, and what you can do if your home still has it.

What is Knob and Tube Wiring?

Knob and tube wiring was commonly installed in North American homes from the late 1800s through the 1950s. Picture ceramic knobs nailed to wooden beams and porcelain tubes protecting wires as they pass through joists—this was high-tech for its time! It provided a safe way to distribute electricity before modern wiring standards came into play.

Why is it a Concern Today?

• Age and Wear: After decades of use, the insulation around these wires can become brittle, cracked, or even fall off, exposing bare wires.
• Capacity Issues: Knob and tube systems weren’t designed for today’s power-hungry appliances and electronics, leading to overloaded circuits.
• No Ground Wire: Unlike modern wiring, knob and tube lacks a ground wire, increasing the risk of electrical shock and fire.
• Insurance Challenges: Many insurance companies in Calgary are hesitant to cover homes with knob and tube wiring, or they may charge higher premiums and require immediate upgrades.

What Should Homeowners Do?

If you suspect your home has knob and tube wiring, don’t panic - but don’t ignore it either. Here are some steps to consider:

• Get an Inspection: Hire a licensed electrician familiar with Calgary’s building codes to assess your wiring.
• Prioritize Safety: If the wiring is damaged or overloaded, replacement is usually the safest option.
• Plan for Upgrades: While rewiring can be an investment, it increases your home’s safety, value, and insurability.
• Check Grants or Rebates: Sometimes, local programs offer financial assistance for electrical upgrades - worth looking into!

Final Thoughts

Knob and tube wiring is a fascinating piece of Calgary’s architectural history, but it doesn’t always fit with modern living. If your home is wired this way, taking action now can help you avoid headaches down the road - and keep your family safe. When in doubt, consult a professional and make an informed decision about your home’s electrical future.

Shane Strebchuk

587-899-0881

info@crownandkingsley.com

crownandkingsley.com