There are many manufacturers of light fixtures on the market, including Pac-Fab, Paragon and Purex, American Products, Sta-Rite and Swimquip (now all owned by Pentair).
The most popular pool lights in use today have LED bulbs. Now in their fifth generation, LED lamps are bright and colorful. Prices for LED pool lights have also come down in recent years, even as the number of LED’s and light output has increased.
Most incandescent bulbs will burn for 1,000 hours before bulb replacement is necessary. LED bulbs can burn for 25 years or more (or so they tell us). The light fixture and the lamp itself may only last several decades, however, corrosive pool chemistry can weaken the fixture and the screws which hold it together, and this may necessitate replacement.
Do not operate the light for more than 1-2 seconds without it being fully submerged. The light requires submersion to prevent overheating, and if operated without water covering the lens, the lens will shatter in under a minute.
The lamp or light fixture sits inside of a "bucket" turned on its side, towards the pool, called the light niche. The niche is larger than the fixture itself to allow room for several feet of cord coiled up behind the lamp. The excess cord makes it possible to bring the lamp up on deck for service and repair. The light niche also provides the threaded hole that accepts the screw that secures the lamp into the niche.
Usually they are found directly behind the light, off the pool deck, or in some areas, the light J-Boxes are installed by the pool equipment pad.
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