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According to the 2005 NEC Annex C, table C.1 you are allowed nine #12 THHN conductors in a 1/2" trade size EMT conduit.

If your conduit run is any length at all, you would be wise to increase the conduit size to 3/4". as pulling 9 #12's for any length in 1/2" EMT is very difficult.

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โˆ™ 2010-10-20 22:50:21
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Q: How many number 12 THHN conductors are allowed in half inch EMT?
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How many 12 thhn conductors are allowed in half inch conduit?

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