220v 50A To 110v 20A - Electrical - DIY Chatroom Home Improvement Forum

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Old 07-13-2009, 04:54 PM   #1
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220v 50A to 110v 20A

I just removed a spa that was powered by a dedicated 50A 220v circuit on a GFCI breaker. I want to convert the curcuit to 2 110v 20A circuits to power an outdoor ceiling fan and lights and a a refrigerator and beer keg cooler. Can I do this without running a new circuit?


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Old 07-13-2009, 05:38 PM   #2
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220v 50A to 110v 20A

If this was a straight 240 volt circuit you would only have 2 hots and a ground. You couls possibly change this to one 120 volt circuit.

Describe the color and number of wires.


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Old 07-13-2009, 06:54 PM   #3
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220v 50A to 110v 20A

Hot tubs are almost always 4 wire. Two hots, a neutral, and a ground. If this is the case, you can install a sub-panel and get both 120 and 240 from it.

If there is a small panel already near where the hot tub was, you can very likely remove the 50 amp 2 pole GFI breaker and install two single pole 120 volt breakers.

As stated above, if there's only 3 wires, you can re-connect one of them and get 120.

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