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Old 01-06-2014, 08:25 PM   #1
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knob and tube

So I understand how to identify knob and tube when looking behind walls, or in the attic area. But what about in the electrical panel, what are the signs that the wiring is knob and tube if looking side the panel area? And if they update the panel from fuese to breakers can they still use the knob and tube wiring in the panel?


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Old 01-06-2014, 08:36 PM   #2
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K&T can be brought into a new panel. It just requires a slot cut in the metal between the hot and neutrals between the knockouts.


Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials.
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Old 01-06-2014, 08:52 PM   #3
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Wow, most insurance companies now insist on removing the knob and tube and eliminating fuse boxes altogether. I know in my home, my insurance co. gave me one week after an inspection to get it done.
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