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    verdmont's Avatar
    verdmont Posts: 1, Reputation: 1
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    #1

    Sep 8, 2007, 06:09 PM
    Bonding Sub Panel Ground Bar
    I need to bond the ground bar in my Siemens subpanel (G1224B1100CU). The subpanel has a bonding screw for the neutral bar, but not for the ground bar (I will not ground the neutral bar and I have removed the neutral bar tie). The instructions say a ground lug kit (ECLKB1) is available, but the only place I've found to purchase this lug kit charges $26.50 plus $20.00 for shipping (seems ridiculous for a $50.00 panel). Any suggestions?

    There is a picture of the missing lug/bonding screw at the following link.

    http://www2.sea.siemens.com/NR/rdonl...ad_Centers.pdf
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #2

    Sep 8, 2007, 06:37 PM
    A ground bar does not need a bonding jumper and the grounding bar is to be bolted directly onto the metal can using machine screws into machine threaded holes in the metal box of the panel.

    Bonding jumpers are only for bonding the neutral at the enclosure that contains the Main Breaker.As you noted, this does not happen in a subpanel.
    uncle matt's Avatar
    uncle matt Posts: 2, Reputation: 1
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    #3

    Oct 4, 2007, 03:53 PM
    In a Siemens panel the ground bar is isolated from the box when the green screw is not installed.

    I was wondering why not remove the neutral to ground bar jumper and install the green screw on the right side and use the right side bar as the equipment ground bar and the left as the neutral.
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #4

    Oct 5, 2007, 02:33 AM
    As long as the neutral bar is not bonded to the metal can and kept insulated, and the equipment ground bar is connected to the metal can, then should be fine.
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