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Thread: LED spa light install depth?

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    Join Date
    Aug 2010
    Location
    Oklahoma
    Posts
    21

    LED spa light install depth?

    Why do they need to be 18" under the water. I am having a large sun ledge and would REALLY like to have a spa light on it. It would be 10" deep so I could have the light 4" under the water line. Can someone tell me if this would work or why it isn't possible. I am running out of time to make a decision. Thank you in advance.
    Jay
    25k Gunite, Easytouch, Intelliflo VS3050, TR-60 with ClearPro Technology, 2 Magic Stream Laminars, IC40 SWCG

  2. Back To Top    #2

    Join Date
    Aug 2010
    Location
    Jacksonville, FL
    Posts
    23

    Re: LED spa light install depth?

    Not sure if this is true or not. I have been told that due to a possible shock hazard they do not want someone in the water with their hand on the deck and the light by their heart. So if it is deeper than 18" it will be lower than most people chest.
    Soon to be built: ~15,000 gallon in ground pool/spa Gunite with Marbletite Beach series finish, Pentair Intellitouch I7+3, Intellibrite LED lights, Sta Rite Intellipro VS 3050 pump, Star Rite PLM cartridge filter, IC40 SWG, Sta Rite Max E Therm 400K propane gas heater, Automatic water level

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    Join Date
    Aug 2010
    Location
    Oklahoma
    Posts
    21

    Re: LED spa light install depth?

    Well, it seems it all has to do with being sure the light is under the water line. I'm moving forward with an install on my sun shelf.
    25k Gunite, Easytouch, Intelliflo VS3050, TR-60 with ClearPro Technology, 2 Magic Stream Laminars, IC40 SWCG

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    Join Date
    Jul 2010
    Location
    Oklahoma City
    Posts
    71

    Re: LED spa light install depth?

    You might make sure it's listed for depths less than 18". Found this clip of the codes regarding pool light fixtures.

    You must install an underwater luminaire so the top of the lens is at least 18 in. below the normal water level of the pool, unless it's listed and identified for use at lesser depths [680.23(A)(5)]. Transformers used to supply underwater luminaires must be listed as a swimming pool and spa transformer — and be of the isolating-winding type with a grounded metal barrier between the primary and secondary windings [680.23(A)(2)]. Branch circuits that supply underwater luminaires greater than 15V must be GFCI protected [680.23(A)(3)].

    In 680.2, the NEC defines three general categories of underwater luminaires. Specifics, such as the wiring methods allowed to the forming shell and bonding requirements, are included for each type as follows:

    •Wet-niche [680.23(B)].
    •Dry-niche [680.23(C)].
    •No-niche [680.23(D)].

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