Help quick! Feeder conduit question, sub-panel.

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Old 02-14-08, 03:34 PM
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Exclamation Help quick! Feeder conduit question, sub-panel.

From a previous post checking code I learned in order to use the 75 degree Celsius column for sizing breakers to feeders: "#8 feeder would be acceptable for 50 amps is if it is CU (THWN) conductors in conduit."

Which type(s) of conduits are acceptable between where the feeder/conduit enters the house from the slab and where it connects to the panel? (All of this behind the drywall of course.)

I think I've got RNM conduit. Gray PVC looking plastic type stuff? Does it have to be EMT?

(This is an existing run in a condo.)
 
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Old 02-14-08, 03:58 PM
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Check with your local authorities, but generally the gray pvc is acceptable in the proper size.
 
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Old 02-14-08, 04:02 PM
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Thanks, just trying to get a quick answer since AHJ has limited phone hours.
 
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