Burn marks on wires?


Old 05-04-18, 01:46 PM
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Burn marks on wires?

i had a plumber replacing a pipe on my wall the other day and he pointed out some electrical wiring that looked like it had burn marks. I looked in to it a bit and found some people saying it could just be marks from other sources. What do you guys think? Burn marks or not?
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Last edited by PJmax; 05-04-18 at 02:13 PM. Reason: added 3rd enlarged picture
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Old 05-04-18, 02:15 PM
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Welcome to the forums.

That doesn't look burned. It looks like tar/pitch from pulling thru a stud.
If the jacket is intact it will be fine.

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