Lighting Light Fixture
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Would an improperly grounded light fixture cause premature light bulb failure?
I have several light fixtures around the house that go through light bulbs almost on a monthly basis. With only a few hours a night (if that) of use for each fixture that is way too soon for bulbs to burn out. I'm wondering what would cause this problem. Could the switch be at fault? the fixture itself? Thanks for your help!
Your line voltage might be too high. There might be a lot of vibration. Your bulbs might be poorly made. I would start by measuring the line voltage. Your utility company might need to change the tap on the transformer that feeds your power.
Oh yes, you also might have a disconnected neutral somewhere that is leading those lights to receive voltage from both phases of your panel. That would definitely make them burn bright and die quickly. Assuming you are in USA, measure the AC voltage at one of the fixtures with a meter. If the voltage is more than 200 volts you have a neutral problem. If the voltage is something like 135 volts then talk to the utility company. The 135 would show up at your receptacles too.
Grounding shouldn't have much to do with it.
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