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I found this mystery wire while changing out a plug In my home. It doesn't look like anything I've ever seen. I can't identify it by memory or google. I'm curious what it is commonly used for. Was it ever acceptable as house wiring in the United states?

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  • How do you want us to identify the wire? It's source? The manufacturer? The max current rating?
    – Solar Mike
    May 2 '19 at 7:18
  • This is my first question here so maybe it's not formatted right. Let me try again. I found this mystery wire while changing out a plug In my home. It doesn't look like anything I've ever seen. I can't identify it by memory or google. I'm curious what it is commonly used for. Was it ever acceptable as house wiring in the United states? May 2 '19 at 7:53
  • Correct. The loose wire was removed from the hot side of the plug. The strands sit together in the center of the white insulation. No other insulation is present. I removed one wire at a time so I wouldn't swap sides. I cant tell which wire is hot if I make a mistake. May 2 '19 at 21:24
  • Can we see directly into the back of the box please? May 2 '19 at 23:03
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The wire turned out to be a cable with three conductors. The insulation was melted almost 3/8ths of inch up under the white sheath. the receptacle was indeed spliced 6 inches inside the wall. I removed the spliced section and remounted the box at 40 inches for ADA compliance. Thanks to everyone who participated.

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  • Glad you got it sorted out. Please take the tour to learn what to do next and be sure to accept your answer to resolve this post.
    – isherwood
    May 3 '19 at 15:39
  • That is phone cable, FYI. Crazy stuff.
    – isherwood
    May 3 '19 at 15:42

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