If I install a 20amp DP GFCI breaker will it work correctly if the hot tub works on 240 only.
The tub has no neutral.
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If I install a 20amp DP GFCI breaker will it work correctly if the hot tub works on 240 only.
The tub has no neutral.
Yep, but connect the pigtail to line neutral. You can leave load neutral disconnected.
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