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Old 01-31-2008, 08:41 PM   #1
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wire next to copper plumbing pipes


I'm installing a light fixture in a closet. the switch will be on the inside wall. The opposite side of the wall is a shower wall. When i opened the hole for the switch, i found the water supply pipes for the shower. Any problem positioning a switch behind a shower wall or running romex 14/2 cable next to a copper water pipe?

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Old 01-31-2008, 08:49 PM   #2
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wire next to copper plumbing pipes


its generally not cool to have the wire in direct contact with the water pipe, but other than that its ok. If it worries you, put a gfci breaker in for that circuit at the electric panel, then if the switch somehow gets wet at least it should trip before frying someone.

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Old 01-31-2008, 09:01 PM   #3
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wire next to copper plumbing pipes


There is absolutely no issue with having wiring in a wet wall. Even if the pipes burst, the boxes will do an adequate job of keeping most of the water out.
Besides, if a pipe bursts that bad the wiring is the least of your worries.

nacko, I am curious as to how someone would get "fried" because the wiring in the walls or the switch got wet.
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Old 02-01-2008, 05:06 PM   #4
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wire next to copper plumbing pipes


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nacko, I am curious as to how someone would get "fried" because the wiring in the walls or the switch got wet.
read my post again, I don't think I said anyone would get fried, I said "if it worries you, it should trip with a gfi before anyone gets fried". that is, after all, the intent of the functionality of the gfi.
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Old 02-01-2008, 05:23 PM   #5
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wire next to copper plumbing pipes


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.....then if the switch somehow gets wet at least it should trip before frying someone.
Sorry, I took this to imply someone could actually get "fried".
I was just wondering how this would happen.
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Old 02-01-2008, 05:32 PM   #6
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wire next to copper plumbing pipes


one would hope that if a conductor were to come in contact with heavily ionized water that it would short to ground prior to causing a shock to someone, say taking a shower, but who's to say it never happened ? (I've never heard of it happening either)
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Old 02-02-2008, 11:01 AM   #7
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wire next to copper plumbing pipes


You can put some pipe (sponge) wrap around the copper so the pipe is isolated from the romex. You can feed it through the opening, just wrap it around a portion of the pipe that's exposed and feed it up/down as far as possible.

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