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Joined: Aug 2005
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most guys installing dryer/washer receptacles or even a standard 120v 15a recetacle in a basement first mount a wooden board to a cement wall... is that required by code, or is it legal to install receptacle directly to a concrete wall?
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Joined: Feb 2005
Posts: 361
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It's not the outlet that is in question, it is the wiring method: 334.12 Uses Not Permitted. (10) Types NM and NMS. Types NM and NMS cable shall not be used as follows: d. Where exposed or subject to excessive moisture or dampness
The cement wall *can* be considered to be a "damp" location and be easily tested by taping some plastic to the wall...after a few days moisture may appear on the inside of the plastic.
I don't know about you (or anyone else), but it's a whole lot easier to just slap up a half a 2x4 up on the wall and staple the wire to it than it is to "test" the wall and strap the NM to the cement.
~~ CELTIC ~~ ...-= NJ =-...
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Joined: Jan 2002
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You can attach the receptacle to the wall.
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Joined: Feb 2005
Posts: 361
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~~ CELTIC ~~ ...-= NJ =-...
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Joined: Jan 2002
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The question did not ask about wire but if it did, I would not consider the inside of a concrete basement wall excesively damp under most conditions.
[This message has been edited by Electricmanscott (edited 01-03-2006).]
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Joined: Aug 2005
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You guys just run wire down the wall?
We use this stuff called EMT works great. Throw some 10-3 down that bad boy and its done before you even find your 2x4.
[This message has been edited by Trick440 (edited 01-12-2006).]
Shake n Bake
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Joined: Jun 2005
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Using wood is the cheapest way of doing for sure, but I prefer doing it in pipe too. It looks more professional and the NM is w/o a doubt protected from physical damage. I can consider that an important thing to do, especially any receptacle operating at 220 volts in an unfinished basement!
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Joined: Jul 2004
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I'm not even sure wood is the cheapest way ... if you buy the wood.
Greg Fretwell
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Joined: January 2005
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