Pool Light Switch Trips Gfci

Pool lighting systems are connected to a gfci breaker designed to carry 100.

Pool light switch trips gfci. They are doing their job when they trip. If you find you have some resistance here you have to isolate areas of the circuit until you find the leakage area. The gfci outlet feeds the feeds the single pole switch controlling two lights the one over sink and the one over shower within bath fan as well as a 10 20 30 60 minute timer switch controlling the bath fan. If the gfci doesn t trip and the light is off you probably have a burned out bulb.

Sometimes on older sets it can be located just under the light switch itself usually by the back door. Circuits longer than 100 feet. Common triggers of nuisance trips are. A phenomenon known as nuisance tripping occurs when a gfci trips when it mistakenly reads a current change as a potential shock hazard.

The gfci outlet itself also works as an electrical outlet to supply most tools and or appliances. How to check a pool or spa light for a fault to ground. Interrupter switches are an absolute necessity for safety at home or work but that sensitivity can cause a nuisance quite literally. If your gfi or gfci is tripping when you turn on the pool or spa lights a light fixture probably has.

When that maximum load is exceeded the circuit breaks open and the breaker trips which cuts off power to your pool lights. With the circuit breaker off and the pool light switch on and spa light switch off measure resistance between the hot and earth ground. If after turning on the pool light switch the gfci trips the most likely cause is water inside your light fixture. A pool builder or electrician cannot install power to your pool pump per code without one.

Remove and replace the broken pool light fixture. Pool lighting systems are connected to a gfci breaker designed to carry 100 amps for most residential installations. If your gfci outlet trips consistently it could be an electric fault resulting from faulty structural wiring. In either case you can now proceed with pulling your light fixture out of the pool.

You should find resistance is infinite. For some reason the gfci was tripping when the single pole light switch. An electrical outlet connected to the same circuit could also be the source of the problem especially if it was not part of the original wiring of your home.