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I have an old house that was remodeled with a bathroom addition added years ago. I have two breaker panels: the outside service entrance panel (A) and another panel in the garage (B). I found bonds from neutral to ground at the service entrance panel (A) and in the garage panel (B).

The service entrance panel (A) was added for the remodel; it has a 125 amp breaker that feeds the garage panel (B) (3 wires: 2 hot and 1 neutral but no ground). It also feeds the bathroom addition. The neutral and ground are bonded in both panels.

What panel should have the neutral and ground bond?

marked as duplicate by Tim Post Jul 15 '15 at 5:48

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    Your description does not seem completely clear, making it more difficult to answer your questions accurately. – Craig Jul 12 '15 at 21:57
  • I went into some pretty good detail of how sub panels should be installed in this answer - in short, you bond only in the primary panel, ground and neutral need to be isolated in secondary panels. – Tim Post Jul 15 '15 at 5:47