One Sub Panel with two grounding bars


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Old 09-11-14, 07:46 PM
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One Sub Panel with two grounding bars

I have a main panel with a sub panel feeding off of it. The main panel has ground rods and the ground / neutral our bonded. The subpanel is fed off of the main panel with 4 wires (2 hots, neutral, and a ground). However in the subpanel I have two grounding bars.

Is the frame enough to connect those two ground bars or do I need to run a certain gauge of copper wire between them?

Also I do have neutral bars in the sub panel; and the neutral bars are NOT bonded to the panel or ground bars.
 
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Old 09-11-14, 08:04 PM
Justin Smith's Avatar
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The panel metal counts as enough, however I like to run a conductor the same size as the ground in the feed cable to be safe.
 
 

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