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Thread: Conduit size vs. number of wires

  1. #1

    Default Conduit size vs. number of wires

    I have 2 12/2 MN ROMEX® running to a well pressure tank switch from the panel. above the pressure tank the ROMEX® is stripped and I have the 4 current carrying conductor and 2 grounds running in 1/2" conduit down the wall to a metal box containing a shut-off switch ( double pole 230v). My question is: is this to many wires or to large of wires for 1/2" conduit?
    I looked in code book, but was unable to find the exact info I'm looking for, probably because I don't know the insulation type.
    Thanks
    Last edited by Terry; 12-07-2011 at 10:38 AM.

  2. #2
    Electrical Contractor/Instructor jwelectric's Avatar
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    everything is fine.

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