When Grounding Produces Objectionable Current Huntstock/Thinkstock

When Grounding Produces Objectionable Current

Alteration to a grounding system when the use of multiple grounding connections results in objectionable current.

The NEC lists four means of alteration to a grounding system when the use of multiple grounding connections results in objectionable current [250.6(B)].

1. Disconnect one or more (but not all) of the grounding connections.

2. Change the locations of the grounding connections.

3. Interrupt the continuity of the conductive path causing the objectionable current.

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