I recently replaced a 2'x2' suspended ceiling panel in the basement laundry / half bath with a light fixture from Lowe's. I wired it to the same wires that go to the existing medicine cabinet / lamp over the sink, which is operated by a wall switch. The same breaker circuit also runs the lights in the upstairs bathroom, directly over this laundry room.
When I first turned on the switch with the new fixture installed, the circuit breaker tripped. I pulled one of the two u-shaped tubes out of the fixture. Still tripped the breaker. I removed the four 25-watt bulbs incandescent bulbs from the medicine cabinet light, then the new light worked. I installed two low-wattage flourescent bulbs in the medicine cabinet, the breaker tripped. With one bulb in the medicine cabinet and one in the ceiling fixture, it works sometimes but sometimes, after 10-20 seconds, the breaker trips. Funny thing is, the upstairs bathroom lights which are on the same circuit, draw much more than this new ceiling fixture, yet they never tripped the breaker, even with everything turned on.
The circuit breaker has a test/reset button on it; I think this is a GFI device. Does this, or the new fixture, have something wrong with it? I believe the circuit should be sufficient to run all these lights at full strength.
Thanks for any advice!
Jim in NH
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