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 KNOB AND TUBE ABATEMENT

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Knob and Tube Electrical Systems & Whole House Rewire in Columbus, OH

This type of electrical system was popular in home construction from the 1800’s clear up through the early 1940’s.  It was favored over conduit or armored cable due to its relative lower cost.  Knob and tube wiring (commonly called K&T) is characterized by an exposed, single insulated copper wire conductor attached to, or run through, ceramic knobs and tubes, without any type of grounding system.  This wiring system would be run through out the home between joists and in crawl spaces or under floors.  The ceramic knobs were used to hold the wire away from building materials to allow the heat in the wire to dissipate in the open air.  This is one of the main reasons that most states won’t allow blown in insulation upgrades to homes with existing K&T.  So due to perceived risk of fire, K&T is no longer allowed in residential applications in most states.  Even if it was up to code, it wouldn’t hold up under the demands of modern day appliance power requirements anyway.  Many insurance companies won’t insure, and some lenders won’t finance homes with active K&T.

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Knob and Tube Electrical Systems & Whole House Rewire in Columbus, OH

This type of electrical system was popular in home construction from the 1800’s clear up through the early 1940’s.  It was favored over conduit or armored cable due to its relative lower cost.  Knob and tube wiring (commonly called K&T) is characterized by an exposed, single insulated copper wire conductor attached to, or run through, ceramic knobs and tubes, without any type of grounding system.  This wiring system would be run through out the home between joists and in crawl spaces or under floors.  The ceramic knobs were used to hold the wire away from building materials to allow the heat in the wire to dissipate in the open air.  This is one of the main reasons that most states won’t allow blown in insulation upgrades to homes with existing K&T.  So due to perceived risk of fire, K&T is no longer allowed in residential applications in most states.  Even if it was up to code, it wouldn’t hold up under the demands of modern day appliance power requirements anyway.  Many insurance companies won’t insure, and some lenders won’t finance homes with active K&T.

Many central Ohio homes still have active knob and tube wiring, but we have solutions for those homeowners.  In some cases we can replace the electrical panel with a special type of breaker to protect the wiring in the home.  Other times (depending upon your comfort level, insurance company or lender requirements etc.) we have to recommend a whole house rewire.  Every home is different, but once we see what your project entails we can recommend the best course of action.  

Call or chat in today and let us know how we can help you with your project.  We’d be glad to schedule a consultation concerning knob and tube abatement or replacement in your home.

The friendly technician that we send will be:

  • Licensed, bonded and insured
  • Google Guaranteed
  • Background checked and drug tested
  • Up-to-date on the latest safety codes and industry standards
  • Trustworthy in your home and around your family
  • House broken!  😉

They are also trained to:

  • Respect you and your home
  • Perform a complete evaluation of the reason for your call 
  • Fully explain the options that are available to you
  • Present you with the entire cost before any work begins
  • Gladly perform the work that you request!

The friendly technician that we send will be:

  • Licensed, bonded and insured
  • Google Guaranteed
  • Background checked and drug tested
  • Up-to-date on the latest safety codes and industry standards
  • Trustworthy in your home and around your family
  • House broken!  😉

They are also trained to:

  • Respect you and your home
  • Perform a complete evaluation of the reason for your call 
  • Fully explain the options that are available to you
  • Present you with the entire cost before any work begins
  • Gladly perform the work that you request!

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