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    builditnow's Avatar
    builditnow Posts: 3, Reputation: 1
    New Member
    		  
    #1

    Oct 15, 2007, 08:20 AM
    SPA Wiring
    I have run wires from my main box to the location where I wish to install my spa. I have 3 10 gauge wires (2 power, 1 common) all underground in conduit. Do I sink a rod in the ground for the ground or do I need to run another wire from the box? What are my options? I have also run wires to my shed, do I do the same here?
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #2

    Oct 15, 2007, 11:13 AM
    A ground rod will not be adequate nor allowed. A green equipment ground wire is needed at both the spa and subpanel.

    #10 wire is only good for 30 amp circuit with a 26 amp load. Most spas are larger, are you sure #10 is adequate?
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #3

    Oct 15, 2007, 11:37 AM
    Kevin is right on the money as usual. Most spas with electric heater require at least a 50 amp GFI. He can also give you some info about the required disconnect.
    builditnow's Avatar
    builditnow Posts: 3, Reputation: 1
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    #4

    Oct 15, 2007, 01:02 PM
    Quote Originally Posted by tkrussell
    A ground rod will not be adequate nor allowed. A green equipment ground wire is needed at both the spa and subpanel.

    #10 wire is only good for 30 amp circuit with a 26 amp load. Most spas are larger, are you sure #10 is adequate?
    Thanks for the help. I will run four 10 gauge from the house box to the spa box.
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