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Thread: Sectioned Equipment

  1. #1
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    Sectioned Equipment

    In NEC 310.10(H)5, "Sectioned" equipment bonding reads differently than just equipment bonding. Can someone clear this up for me? What is Sectioned equipment? and the different application of Table 250.122 if Sectioned Equipment?

  2. #2
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    I can't find 310.10 (H)5.
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  3. #3
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    Some multiconductor cables, usually in the larger sizes, will put in three EGC's to reduce the total cross-sectional area of the cable. The combined cross-sectional area of these three EGC's is equivalent to or exceeds the standard 250.122 EGC, i.e. its cross-sectional area.
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  4. #4
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    Quote Originally Posted by ActionDave View Post
    I can't find 310.10 (H)5.
    Page 70-146 NEC-2017

    Equipment Grounding Conductors: Where parallel equipment grounding conductors are use...

  5. #5
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    Quote Originally Posted by Smart $ View Post
    Some multiconductor cables, usually in the larger sizes, will put in three EGC's to reduce the total cross-sectional area of the cable. The combined cross-sectional area of these three EGC's is equivalent to or exceeds the standard 250.122 EGC, i.e. its cross-sectional area.
    Thanks, that makes sense . I got hung up on "Sectioned" Equipment.

  6. #6
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    Quote Originally Posted by jtp View Post
    Thanks, that makes sense . I got hung up on "Sectioned" Equipment.
    As Smart stated it's a code permissible way to get several EGC's to make one larger one. Normally paralleling of smaller EGC's to make a larger one is not permitted.
    Rob

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    All responses based on the 2014 NEC unless otherwise noted

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