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Hi, I'm Mike G and I'll be assisting you. With the disconnect off there should be no voltage at the tub. If you test the line at the tub and find voltage, you'll need to check the load side of the disconnect or check to see if there is another source involved.
The breaker for the tub. There should be a disconnect in sight of the tub within 20 ft. Either should completely disconnect the power.
Anytime, you're welcome.
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