I have a swimming pool light that does not show any grounds when checked with a meter. it is fairly new. the supply line shows a resistance of 30 megs to ground. the gfi breaker trips immediately when reset. can you help me
It won't take much to trip the GFI. Have you tried to dry the fixture out completely? Use a blow dryer and remove any moisture. Also, remove the light and cap the wires and try it if you can, it might be the wire.
If you need further help, I’m available over the phone at https://www.6ya.com/expert/craig_3fa289bf857b1a3c
my pool is 30 years old. suddenly the GFI would trip after the light was on for about 10min or so. Since the GFI was also 30 years old and out in the weather I assumed that it was the problem Wrong. I replaced the GFI due to it's age. Same probme 10 min out goes the light. I decided to pull the light out of the water. ( using propper precautions ) I found the rubber seal around the light had leaked just a little water. I replaced the whole unit ( very costly but doing it my self saved the labor ) Now all works good and I have a brighter light due to the more modern lamp. I beleave when power was appled all worked fine. when heat built up in the bulb the water turned to vapor and caused a leackage of current, enough to cause the GFI to trip. I did leave the new GFI in the system just becouse of the age of the old out. But I tested the old one and it workes as if it were new so C. H. built a good part and made it to last. so if your light stays on for just a few min it is most likely the lamp not the GFI ( now my grand kids are safe and enjoy night swimming).
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