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  1. #1
    Join Date
    Mar 2007
    Location
    Chicago, IL
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    2,797

    Default Diagran for 4 wire 240 V circuit at load-side panel ("sub panel").

    Does anyone have a link to a diagram illustrating the correct connection of a 4 wire 240V circuit at a load-side panel (showing the correct landing points for neutral and ground)?

    Thanks in advance.

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    Michael Thomas
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  2. #2
    Garry Blankenship's Avatar
    Garry Blankenship Guest

    Default Re: Diagran for 4 wire 240 V circuit at load-side panel ("sub panel").

    Cannot help w/ a diagram example, but maybe w/ the "correct landing points". On the receptacle those points are identified. At a minimum the ground will be identified w/ a "G" or the symbol for ground which looks like an infilled arrow head, usually pointing down. The "Hots" will be the two identical in shape and size and they are interchangeable, ( black / left, blue / right or visa versa & sometimes red is used. ). In the panel the "Hots" go on the two terminations of the two pole C/B. The neutral on the neutral bar and ground on the ground bar. Hope that helps. I was tipped to an electrical illustrations program by someone on this site created by Mike Holt.


  3. #3
    Robert Meier's Avatar
    Robert Meier Guest

    Default Re: Diagran for 4 wire 240 V circuit at load-side panel ("sub panel").

    There's this one from Mike Holt:




  4. #4
    Join Date
    Mar 2007
    Location
    Chicago, IL
    Posts
    2,797

    Default Re: Diagran for 4 wire 240 V circuit at load-side panel ("sub panel").

    Thanks,

    Shows the isolated neutral and ground, which is what I needed!

    Michael Thomas
    Paragon Property Services Inc., Chicago IL
    http://paragoninspects.com

  5. #5
    Robert Meier's Avatar
    Robert Meier Guest

    Default Re: Diagran for 4 wire 240 V circuit at load-side panel ("sub panel").

    Here's one that depicts objectionable current:




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