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Thread: Workshop wiring

  1. #61
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    redknife's Avatar
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    Re: Workshop wiring

    Quote Originally Posted by Brogan View Post
    Unfortunately the builder won't put a sub panel in - they just weren't interested as it's not something they typically do.

    So I opted for 2 x 240V 20A and 2 x 120V 20A, with 10 AWG wire, so I can upgrade to 30A if I need to later.

    I shouldn't need to run more than two 120V or two 240V tools at once so hopefully I won't regret it later on (famous last words).
    Sounds like a solid plan.

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    Re: Workshop wiring

    Quote Originally Posted by jlwest View Post
    It is my understanding that only one 220v outlet can be on a circuit per code but you could do it if you can limit the amperage of the machines and hardware or up the breaker amperage and wire size. It is usually the amperage that restricts how many outlets you have on a circuit versus voltage.
    I passed inspection with multiple 220v outlets on a single breaker. Do you have any sources for this rule?

  3. #63
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    Re: Workshop wiring

    I believe it's specific to running motors on the circuit, as there's nothing in the code explicitly prohibiting multiple outlets on a 240V 20A branch circuit.

    Take a look at section 430 of the NEC.

  4. The following user says Thank You to Brogan for this useful post:


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