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My Florescent Light Fixtures are Not Working


By Dave Rongey - Summary:

I replaced all eight 4 foot 32 watt bulbs. I replaced the wall light switch. The circuit breaker seems fine. I have electronic ballast but unlikely both fixtures ballast went at same time. What should I do next?

Electrical Question from Charlie about Troubleshooting

Received from Charlie a Homeowner

Question: I have 2 florescent light fixtures that are not working. I replaced all eight 4 foot 32 watt bulbs. I replaced the wall light switch. The circuit breaker seems fine. I have electronic ballast but unlikely both fixtures ballast went at same time. What should I do next?

Dave’s Reply:
Thanks for your electrical question.
Electrical troubleshooting is a process of elimination, just as you have made your checks of the most obvious components. If you have a voltage tester, I would test the voltage up at the fixture and work back towards the power source. If the power is present then the problem may very well be the ballasts, but I doubt it. Double check the circuit breaker. Turn it all the way off, then back on. Many times a circuit breaker may appear normal when it is actually tripped.

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