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Went into an old commercial building downtown and found cloth wiring from the 1940s still live

I was doing a panel swap in a building on Elm Street last Tuesday. Pulled the cover off and saw cloth covered wire still feeding a couple circuits. No ground, crumbling insulation. The owner said nothing had been touched since the 1970s. I showed him a chunk of insulation flaking off in my hand. He finally agreed to rewire those two runs. Anyone else run into cloth wiring that was still energized?
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2 Comments
alex_taylor10
It probably ran fine for decades without a problem.
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janac51
janac511mo ago
Buddy found live knob and tube behind a finished wall last year.
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