Wire fill for 2 1/2" conduit
#1
04-03-15, 08:45 AM
Join Date: May 2012
Posts: 36
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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#2
04-03-15, 09:49 AM
Member
Join Date: Nov 2012
Location: USA
Posts: 3,314
That is considered a nipple and I don't believe there is an limit,however bundling may be an issue.
Geo
Geo
#3
04-03-15, 09:54 AM
Forum Topic Moderator
Join Date: Feb 2005
Location: Near Lansing, Michigan
Posts: 10,515
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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