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When installing a new 15A GFCI circuit for a whirpool bath what size ground in addition to 12-2 wire is required?


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Wiki User
2007-03-26 05:00:56
2007-03-26 05:00:56

It should be on a 20 amp breaker with #12 THHN wire. The grounding wire is typically permitted to be one size smaller, so #14 AWG bare or green wire for ground.


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