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Old 11-28-2011, 07:24 AM   #1
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2" pvc conduit fill question

I know it's possible to run three 0/2 copper THWN + one 4awg THWN in 2" SCH 80 PVC... but how about two 0/3 copper THWN + one 0/2 copper THWN + one 4awg THWN?

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Old 11-28-2011, 08:11 AM   #2
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2" pvc conduit fill question

It shows 2” Schd 80 can take Qty=4, #3/0: You want to put 2-#3/0, and 2 more conductors to match the quantity, but smaller in size…yes, they’ll fit.

If you’re increasing the size of the ungrounded conductors, you have to increase the size of the EGC. You could use a #3 instead of a #4.


Just because you can, doesn't always mean you should
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