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home maintenance  /  April 29, 2019

Knob-and-Tube Wiring and Related Hazards

Knob-and-Tube wiring is the oldest type of electrical wiring used in American homes, dating a back to the early 1900s. Finding knob-and-tube wiring in your home is a fairly easy task; all you have to do is go down to your basement and look at the joists. Should you happen to spot white ceramic knobs with electrical wires going through them, then that means your home has knob-and-tube wiring. If you don’t see any in the basement, try looking in the attic.

If you don’t find any there, then chances are your home doesn’t have any knob-and-tube wiring, though it may be hidden in your walls. Unfortunately, knob-and-tube wiring isn’t the safest of electrical wiring options nowadays.

In this post, Handyman Connection® of Orange County discusses knob-and-tube wiring and the hazards it brings to your home.

  1. Two-Stranded – This means that knob-and-tube wiring only has a hot wire and a neutral wire. The lack of a ground wire means there is absolutely no protection in case a fault occurs, which is a big fire hazard.

  1. Sheathing for Insulation – Knob-and-tube wiring uses sheathing for insulation, which disintegrates over time. It’s best to switch over to modern wiring for better insulation materials.

  1. Electrical System – Knob-and-tube wiring is fused with merely 15 amps, while other electrical systems use 60 amp services. This means there could be more current running through the wire than it can handle, which is a fire risk.

  1. Two-Prong Receptacles – This type of wiring uses two-prong receptacles, which restricts the usage of small kitchen appliances. Due to the lack of a ground wire, there’s increased chance of shock and injury, especially where there’s water. This makes kitchens and bathrooms a large risk.

Should You Replace Your Wiring?

It is highly recommended that you replace your wiring if your home does have knob-and-tube wiring. Thanks to the high electrical demands that comes with modern living, it’s highly likely that the old wiring could overload, presenting serious hazards.

Turn to Handyman Connection of Orange County for your home improvement needs. We are your leading provider of plumbing and remodeling services. Give us a call at (714) 494-1117 or fill out our contact form to request a free estimate.

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