Wire fill for 2 1/2" conduit


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Old 04-03-15, 08:45 AM
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Wire fill for 2 1/2" conduit

Panel is on outside wall of house. 2 1/2" conduit is about 8" long attached to back of panel going through exterior wall into interior wall cavity. How many 12/2 romex or combination of 12/2 and 14/2 can go through it?
 
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Old 04-03-15, 09:49 AM
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That is considered a nipple and I don't believe there is an limit,however bundling may be an issue.
Geo
 
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Old 04-03-15, 09:54 AM
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As many as you can cram in there. Conduit fill and derating rules do not apply for pipes less than 24" in length. When you're done it should be sealed with duct seal as this is an interior to exterior run.
 
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Old 04-03-15, 02:51 PM
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Yes, I do remember when I bought it I had to ask for a nipple.
I do have a lot of 12/2's and a few 14/2's to pass through it. Relieved it won't be a problem. Thank you.
 
 

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