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TOPIC: Sub panel grounding

Sub panel grounding 2 years 2 months ago #63665

Why would a stranded aluminum main common wire be connected to a sub panel ground bus bar vrs a common bus bar?

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Sub panel grounding 1 year 7 months ago #64105

Because it was installed incorrectly. Neutrals must be isolated from grounds in sub-panels no matter how many strands the neutral has.

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Sub panel grounding 1 year 3 months ago #64454

Because it was installed incorrectly

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Last Edit: by Donald S. Brazelton.
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