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Thread: How dangerous is pool light without GFCI?

  1. Back To Top    #1

    Join Date
    May 2009
    Dallas, TX

    How dangerous is pool light without GFCI?

    My pool was built in the late '70s and apparently the GFCI was not required then. I have to admit that electric power under water freaks me out a little bit, always has even before I owned a pool. I know that part of my uneasiness is irrational, but the GFCI thing is always on my mind. I wish I could just disable power to the light altogether, but there doesn't seem to be a separate breaker for it in my electrical box.

    Any comments?
    20K gal IG plaster pool, Manually chlorinated with bleach, 1.5 HP Sta-Rite Dura-Glas II pump, Pentair FNS Plus 48 DE filter, Polaris 280

  2. Back To Top    #2

    Join Date
    Mar 2010
    Spring, TX

    Re: How dangerous is pool light without GFCI?

    I had a GFCI hooked up to mine and it was not working. They inspector said if water gets inside it can electrocute anyone in the pool. So it is not a good thing.
    13,000 Plaster IG Pool approx
    Hayward C5030 Cart Filter
    Emerson 1081 EB653 1.0 HP 1.40 S.F. 3450 RPM
    Pool Calculator, Pool School, TF Test Kits

  3. Back To Top    #3

    Join Date
    Mar 2009
    Huntsville, AL

    Re: How dangerous is pool light without GFCI?

    I think that an electrician should be able to install a GFCI fairly easily (but then I am not an electrician...) if you wanted to go that route.

    My light has a pig tail that runs straight back from the light under the pool deck (about 8 feet) and then comes up to a junction box where it connects to the line going back to the circuit breaker. If you have a junction box, you should be able to kill the power to the light and then disconnect it there.
    27K gal, IG vinyl, 1.5 HP pump, 24" sand filter, Goldline Aqua Plus SWG

  4. Back To Top    #4
    Mod Squad JohnT's Avatar
    Join Date
    Apr 2007
    SW Indiana

    Re: How dangerous is pool light without GFCI?

    It's fairly easy to add one. Well worth it IMO.
    TFP Moderator
    20K Gallon 20X36 Vinyl Inground
    Hayward S244T Sand Filter with 1HP Whisperflo Pump. Liquidator C-201 and Solar Heat

  5. Back To Top    #5
    Lershac's Avatar
    Join Date
    May 2007
    Baton Rouge, LA

    Re: How dangerous is pool light without GFCI?

    You can add a gfci circuit breaker (replaces the normal one) for the circuit the light is on, to achieve the protection you seek.
    (DIY):16K Gal 20X30 rectangular IG Gunite, w/spa, CCP 520 filter,2 Pentair VS pumps, 400KBTU Pentair gas heater, Heat Pump for cooling, **update5.25.2013** added an intellichem with acid pump that will control existing SWG. My Build Thread Here

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