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Benefits of Replacing your Knob and Tube Wiring

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Posted on January 19, 2018 by Patrick Prendergast in Electrical

Was your home built before the 1970s? If you live in an older house, you may have knob and tube wiring running throughout your walls. Though this type of electrical system was prevalent throughout the late 1800s and early 1900s, it has since been replaced with more modern standards. Knob and tube wiring is completely outdated these days, and upgrading your electrical system will benefit your home almost immediately.

Disadvantages of Knob and Tube Wiring

Knob and tube wiring installation decreased substantially after the 1930s, but homes were still built implementing the system up until 1970. As electricity advanced, the faults within the knob and tube system grew increasingly clearer. Here are some of the major disadvantages associated with knob and tube wiring:

  • The purpose of a ground conductor is purely for safety. If you come into contact with an electrical current that has no ground conductor, the only way for it to travel is through you. As you can imagine, a situation like this can cause excruciating pain, injury, or death. Knob and tube wiring has no ground conductor, which is an extreme safety hazard.
  • Power switches are placed in designated safe areas in modern electrical systems. Turning the power on and off should be simple, but that’s not the case with knob and tube systems where power switches are located on neutral wires. This may turn off the circuit, but the electrical current will remain on.
  • Knob and tube wiring incorporated inline splices in walls without junction boxes.
  • Any knob and tube wiring situated near lighting or any heat source is susceptible
  • The installation used in antiquated electrical systems can potentially be a fire hazard. Under the right circumstances, installation can envelop the wires and cause damage inside and out of the system. Installation is also an ideal nesting ground for unwelcome critters.
  • If you have knob and tube wiring, some insurance companies may deny you coverage.

Knob and Tube Replacement

Now that you are aware of the disadvantages associated with knob and tube wiring, you should become familiar with the replacement process. A qualified professional will need to assess the situation, and from there he or she will go over your options with you. Pricing and length of time for the job should be discussed before any work begins, and you should be a part of the process. Make sure you know the pricing up front and that you’re aware of any potential additional costs. The electrician should also be held accountable for any damage that may occur during the process. It may be pricey, but you will have peace of mind knowing that your home is safe and up to date.

How Replacement will Benefit You

  • Updated electrical features
  • Energy efficiency
  • Increased safety
  • Compatibility with more appliances

All of this information may be overwhelming, but you should seriously consider replacing the knob and tube wiring in your home if you still have it in place. Doing so directly affects your safety while increasing your home’s value and ability to be insured. Call your local electrician today with any questions or concerns.

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