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I have a 240 volt breaker in my main breaker panel feeding a local outdoor disconnect (black, white, red & ground) for an outdoor sauna. Can I take leads off the black, white & groun, before the disconnect and make a local 120 panel with its own breaker?

John Sullivan
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    How many amps is this 240V breaker, how many amps does the sauna pull, and how big is the wire running to the sauna disconnect? – ThreePhaseEel Jun 25 '19 at 00:40

1 Answers1

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I think what you actually want to do is install a subpanel. The subpanel can then include both 120V (e.g., 15A or 20A) breakers for receptacles or lighting and a 240V breaker for the original sauna use. The specifics will depend a bit on:

  • Existing wire size
  • Existing breaker size
  • Requirements of the existing sauna circuit

Keep in mind that there are GFCI requirements (which can be handled in the subpanel or possibly in the main panel) and that ground & neutral should be kept separate in the subpanel. The subpanel could have a main breaker that is larger than the breaker in the main panel that is connected to the wire that goes to the subpanel.

manassehkatz-Moving 2 Codidact
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