Wire question (with pics) condition and guage

Originally Posted by Mechanic688

That looks like a heavy duty Romex building wire, but I'm guessing there. The black comes from moisture and heat from sunlight on it. As it's being used it will "suck" up minute bits of moisture under the rubber coating

Mechanic688 another possibility is that the wire was blackened from contaminated Chinese drywall board.



Could be a good source of scrap copper for some of you scrappers.

http://www.google.com/search?client=...utf-8&oe=utf-8