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  1. #1
    Join Date
    Jul 2008
    Location
    Chicago
    Posts
    261

    Default Neutral Bus in Separate J-Box

    The neutral conductors for these service panels are being connected in a separate junction box. Strange. I am not sure how to write it up. Is it doing any harm?
    240elec.jpg 252paint.jpg 278jbox.jpg

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    Mike Lamb
    Inspection Connection, Inc.
    http://www.inspection2020.com/

  2. #2
    Mbrooke's Avatar
    Mbrooke Guest

    Default Re: Neutral Bus in Separate J-Box

    The various neutral bars are a code violation. It looks as though the J box was a fuse box at one point and the guts were removed while the neutral bars were re-used. Its difficult to say whats going on in terms of how those wires were run but the neutral jumpering and the possible undersized neutral extensions are an issue. One of the conduits look over filled as well, plus Im questioning where the main disconnect is for those 7 meters.


  3. #3
    Join Date
    Jul 2008
    Location
    Chicago
    Posts
    261

    Default Re: Neutral Bus in Separate J-Box

    Quote Originally Posted by Mbrooke View Post
    The various neutral bars are a code violation.
    Do you have a NEC or some other reference?

    Mike Lamb
    Inspection Connection, Inc.
    http://www.inspection2020.com/

  4. #4
    Join Date
    Aug 2008
    Location
    Maryland
    Posts
    1,898

    Default Re: Neutral Bus in Separate J-Box

    The bars are jumpered together. As long as the jumper is properly sized I can't see an issue.

    As far as the possibly overfilled conduit, it looks like a nipple less than 24" so the fill rules change.

    All answers based on unamended National Electrical codes.

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