How to Change an LED Pool Light


Most LED pool light bulbs are designed to work in older pool light fixtures. They screw in just like normal pool lights and have all the dangers of traditional lights. LED pool lights have two things going for them: They use less energy and last longer than traditional light bulbs. Most of the energy used by incandescent lights is wasted as heat, but LEDs make little heat, and so waste little money. Some newer LED pool light fixtures use lower voltage and amperage than older lights, making them safer. Don't count on it, however. Use all the safety procedures you would always use to change a pool light.

Things You'll Need

  • LED bulb Screwdriver Gasket
  • Go to the pool shed and try to reset the GFCI breaker by pushing the reset button. A tiny bit of moisture in one of the light bulbs can sometimes cause the breaker to trip even when nothing is wrong with the bulbs. If this doesn't work, turn off the power and unplug all the lights. There should be extension cords which lead under the pool into all of the light fixtures. You want to take all these cords out.

  • Go underwater and unscrew the light. Usually, the light is held into the bottom by a single screw. When you unscrew it, it should pop right out, trailing the extension cord behind it.

  • Dry the outside of the fixture with a cloth. Take the lens off. It could be held on by screws, nuts and bolts, snap-together pieces or a combination. Remember where the gasket fits in.

  • Unscrew the old light bulb and remove it. Run a dry cloth along the inside of the light to clear out any stray moisture. Screw in the new light bulb. Put the lamp back together, being sure to put the gasket back in the right place. You may want to replace the gasket to make sure the light stays dry and safe.

  • Screw the lamp back into the bottom of the pool. Go over to the shed and plug in and turn on the lights. Check the circuit breaker by pressing the "test" button. The lights should go off with a click. Press the "reset" button to turn them back on.

Tips & Warnings

  • If the circuit breaker doesn't work, unplug the lights and leave them off. They are a hazard without a working circuit breaker.

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