Have an insurance job and the home owner wants to redo the 1st floor apartment. The apartment is wired with knob and tube so I recommended it needed to be updated. When pitched to the insurance company they said that would be fine, but I need to let them know where it states knob n tube needs to be replaced. I know rule of thumb is once you work on the circuit it needs to be updated I just cant find any codes to back that up. If anyone can help give me a leg up here it would be appreciated.
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Although what Billy says may be technically true, that doesn't mean it is not a good idea to update it. A lot of insurance company's won't insure a house with known knob and tube wiring. The insurance company execs are not stupid. It has nothing to do with code compliance. They know that all k&t wiring is 70 to 80-years old and never designed to handle the loads of the modern-day house hold. Stick with your pitch. They don't need chapter and verse. They just want someone who will upgrade it for a reasonable price. Good Luck. P.
Paul Logan
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The requirement to replace K&T is not an NEC requirement. It's a requirement imposed by the insurance company, and/or the local government. If you want to provide a source for the requirement, you'll have to check with the insurer and/or the local government.
Tester101
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The only catch I see; To facilitate a removal, one needs to point out that it cannot be covered up, and the cavity whether it be a wall or ceiling cannot be insulated as the insulation will lead to fire. If you are in a cold climate, this would be a good reason to strip it out, so you can insulate.
