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    L A Hiles's Avatar
    L A Hiles Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Aug 5, 2007, 02:55 PM
    SPA disconnect switch grounding wire requirement
    I'm installing a 240V/60A SPA approximately 85 feet from the house service panel. I'm going to run 3 individual #6 conductors (THN or better) from the service panel to the SPA GFI disconnect box via 1 inch PVC conduit. The SPA is about 7 feet from the disconnect box. The disconnect box instructions suggest that a separate grounding wire from the service panel to the disconnect box is not necessary.---TRUE?
    If not true, will a single #10 insulated conductor suffice ar does it have to be the same gauge as the #6 powered conductors? Does the insulation have to be green?
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
    Uber Member
    		  
    #2

    Aug 6, 2007, 02:36 AM
    A #10 green wire is needed as an equipment ground from the panel to the spa pulled in the conduit with the feeder conductors.
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