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Conductors in Exhaust Plenum

Discussion in 'General Electronics Discussion' started by davidkien68, Dec 26, 2014.

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  1. davidkien68


    Dec 26, 2014
    Hi all.

    We have a condition where existing 5kv conductors in RGS cannot be moved. To accommodate a new short run (25') of exhaust duct work that will only be exhausting air from a utility substation, the exhaust ductwork will wrap around the existing 5kV conductors in RGS. Don't worry about the plenum rating of conductors for now. Just looking for the procedure to determine the derating of the conductors in the exhaust duct. I think this is simple as looking at the NEC table for the specific exhaust temperature air and conductor derating factor.

    Am I missing something else?

  2. KMoffett


    Jan 21, 2009
    Not sure what RGS is, but this sounds like it involves a commercial enterprise. I would suggest you hire a licensed electrician...or a good lawyer. ;)

    davidkien68 and hevans1944 like this.
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