Steve Barker LT wrote:

I can't speak for the BX, but the old cloth romex I'm pulling out of my
house appears to have a wrap of asbestos in it. After burning it (to
recycle the copper) in a very hot fire, there is what appears to be a white
ribbon spiraled around the copper. I can only assume it's asbestos put
there for pulling strength.

I don't think asbestos could contribute to pulling strength.

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