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    twd1's Avatar
    twd1 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Mar 23, 2010, 08:32 AM
    Can hook up a 110v gfi breaker of one leg ogf a 220v 50 gfi
    I have a 50 amp 220 v gfi hooked up to my hot tub, I ran a 110 v 10 amp gfi off one leg for the underwater light just for extra safety, is this safe to do? I have heard on TV that you can not run 1 gfi off another. Or is this just pertaining ti wall outlets?
    manhattan42's Avatar
    manhattan42 Posts: 143, Reputation: 11
    Junior Member
    		  
    #2

    Mar 24, 2010, 02:13 AM

    Unless the hot tub is listed to be wired in the manner you describe, then what you did is a violation of the manufacturer's installation instructions and therefore a Code violation.

    Generally speaking, hot tubs and their associated equipment are already configured at the factory to be run from a single branch circuit conductor termination point.

    Altering the internal wiring past that conductor termination point as you have done will not only void any warranties, it can be quite dangerous.

    As for the GFCI question, the answer is that you should not run multiple GFCIs in a series under any circumstance.
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #3

    Mar 24, 2010, 04:38 PM
    Quote Originally Posted by twd1 View Post
    I have a 50 amp 220 v gfi hooked up to my hot tub, I ran a 110 v 10 amp gfi off one leg for the underwater light just for extra safety, is this safe to do? I have heard on tv that you can not run 1 gfi off another. or is this just pertaining ti wall outlets?
    What you did was completely unnecessary, and I question how it was done. Something does not sound right to me.
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
    		  
    #4

    Mar 24, 2010, 04:39 PM
    Quote Originally Posted by manhattan42 View Post

    As for the GFCI question, the answer is that you should not run multiple GFCIs in a series under any circumstance.
    This is not actually true. There is nothing wrong with this other than redundancy.
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