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Old 03-13-2013, 07:18 PM   #1
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Is it ok to run 2-12/2 romex cables in a 3/4 pvc conduit? Will there be a heat problem?

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Old 03-13-2013, 07:21 PM   #2
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Is it ok to run 2-12/2 romex cables in a 3/4 pvc conduit? Will there be a heat problem?
Not supposed to run romex in conduit. Except a short run too protect the romex on a cement wall.

Someone will be along to give the NEC code on it and a more technical reason why not!

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Last edited by Hardway; 03-13-2013 at 07:26 PM.
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Old 03-13-2013, 07:24 PM   #3
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What is the reason why your not suppose to? Are there any dangers?
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Old 03-13-2013, 07:40 PM   #4
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The romex can not be installed in a damp or wet location, so if the conduit is inside you are fine.
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Old 03-13-2013, 07:50 PM   #5
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It will be inside a building that makes cheese. It will be humid. Think it will be ok.
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Old 03-13-2013, 07:51 PM   #6
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How long of a run are we talking about? I believe if there are so many wires in a conduit you have to do some derating because of heat. Hopefully someone will come along with specifics.
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Old 03-13-2013, 07:53 PM   #7
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its fine, the only issue that arises is conduit fill.
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Old 03-13-2013, 07:54 PM   #8
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If it is a long pull, I might step up to 1" just to make it easier.
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Old 03-13-2013, 07:57 PM   #9
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If it is a long pull, I might step up to 1" just to make it easier.
Or just use a different wiring method since I spent the time to install the conduit to begin with... :-\
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Old 03-13-2013, 08:33 PM   #10
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Thanks for the info guys
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Old 03-13-2013, 09:08 PM   #11
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Depending on the buildings classification NM may not be legal in conduit or otherwise.
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Old 03-13-2013, 09:13 PM   #12
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Depending on the buildings classification NM may not be legal in conduit or otherwise.
Since this is a DIY site, I hope that it is Residential, and a non issue...
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Old 03-13-2013, 09:55 PM   #13
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Quote:
It will be inside a building that makes cheese.
Just covering the bases.
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Old 03-13-2013, 09:57 PM   #14
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Just covering the bases.
totally missed that post... Thanks.
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Old 03-13-2013, 10:11 PM   #15
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Does the NEC have special rules for cheese-making buildings?

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