Knob and tube wiring is the original wiring method used from the late 1800s until approximately 1945, which involved stringing individual conductor insulated wire across porcelain insulators called knobs, and through other porcelain insulators called tubes.

Knob And Tube

Replacing Knob and Tube Wiring


Unfortunately, replacing knob and tube wiring is a necessity, but not an easy solution. On the bright side, we’ve done a number of knob and tube replacement jobs and upgrades for many satisfied customers. We know what to look for when estimating a particular project and will keep damage to walls and ceilings to a minimum. Do you have an unfinished basement or crawlspace? Is there good attic access to the entire perimeter of your house? Do you have both? These questions and answers are things we consider when assessing a knob and tube wiring replacement project. We will do our best to make the switch over as painless as possible.

Bottom line Knob and tube wiring is NOT SAFE.

What Can You Do About It

Removing knob and tube wiring and rewiring the home is the only solution that addresses knob and tube wiring. Other solutions like eliminating it only where it is open to view, or installing GFCI receptacles, are cover-up solutions that we do not recommend.

Think of replacing knob and tube wiring and rewiring your home not only as a safety measure, but also as an investment that will add value to your home. Time-wise removing knob and tube wiring effectively can take 1-3 weeks, depending on the size and construction of the home. It is the best solution for your long term interests.

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If your home has knob and tube wiring, and you are concerned about the safety of your electrical system, contact us today and schedule an assessment. Our electrical service coverage area includes the entire Lower Mainland: Vancouver, Burnaby, New Westminster, Richmond, Surrey, White Rock, Langley, Cloverdale, Aldergrove, Coquitlam, Maple Ridge, Mission, Abbotsford.