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Thread: Wiring the pool lights

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    Join Date
    Apr 2014
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    Florida Keys
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    Wiring the pool lights

    Is it possible to wire the pool and spa lights after the pool is filled? This is myy PB's plan and he says it's common for water to be in the conduit. Doesn't sound right to me? Please help!
    Shotcrete IG, 880 sq. ft., 32,000 gallons,, 3.5 - 5.5 deep, SWG, Jandy 140000 Heat Pump, 1 1/2 HP Jandy, 36 sq. ft. DE Jandy filter with an attached spa

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    wjr75's Avatar
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    Jun 2013
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    Re: Wiring the pool lights

    I had a leak in the light conduit to the cross box which had water in the cross box. They used a vacuum to suck out the water and resealed it somehow. Not an expert on pool lights but I think they seal the conduit at the conduit at where the pool light is under water. Not sure how that will go with water in the conduit. Maybe it is sufficient to just seal off the conduit at the cross box which is usually somewhere in your decking which is above the water line.
    Inground 22k gallon gunite 15x31 main pool, 15x7 wading pool/sunning deck, hot tub/with overflow (9' octagon with limestone top) & slide NSWG, Aqua Blue Pebble Sheen
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    JasonLion's Avatar
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    Re: Wiring the pool lights

    Yes, most pool lights can be wired with water in the pool. Almost all of the common pool lights are wet niche lights, so the fixture is completely surrounded by water and there is water in the conduit. These lights are normally wired before filling the pool on new construction, but installing them wet is how you handle things when the light fixtures need to be replaced. The conduit should be water tight and the other end should be well above water level, so there won't be a leak unless something breaks.
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    Join Date
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    Re: Wiring the pool lights

    Thank you for your replies; good to know there's so much help out there.
    Shotcrete IG, 880 sq. ft., 32,000 gallons,, 3.5 - 5.5 deep, SWG, Jandy 140000 Heat Pump, 1 1/2 HP Jandy, 36 sq. ft. DE Jandy filter with an attached spa

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