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Thread: Wiring a Spa. Do I use #8 awg or 6/3 romex slimpull ?

  1. #61
    DIY Junior Member Mitchelli's Avatar
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    May 2011
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    Grants Pass, OR
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    Default Spa electrical question

    I bought a used spa which has about 10 feet of 6 gauge wire coming out of it (red,blk,wht,ground) in that flexible watertight conduit. So, I need to get a 50 amp GFCI and then there is about 20 feet to a box that was installed when the house was built that is labeled SPA. Problem is the wire from that box to the 50 amp breaker in the main circuit breaker box in the garage is that it looks to me like 8 gauge wire on that run(about 20 feet). So, can you go from 8 gauge to 6 gauge wire at the gfci box outside?(another 20 foot run) Thanks in advance...scott

  2. #62
    Electrical Contractor/Instructor jwelectric's Avatar
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    Default

    If it is #8 NM cable then it is only good for 40 amps

  3. #63
    DIY Junior Member cbuehler's Avatar
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    Jun 2011
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    Davis, CA
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    Default Is the feeder necessary?

    Is the 50A double-pole breaker in the panel required? The GFCI mini-panel has a breaker already... can't a guy tie directly into the bus bar? I don't have room in the main panel.

    And does anyone know if you have to remove the sheathing on 6/3 Simpull if it's in 1" conduit?

    thanks guys!!

  4. #64
    Electrical Contractor/Instructor jwelectric's Avatar
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    Default

    Yes you need to protect the conductors in the panel and there is no need to skin or strip the conductors out of the sheathing

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