Fluorescent Lighting Problem and Repair Checklist
How to Identify and Repair a Fluorescent Light Fixture: Troubleshooting Checklist for Repairing a Fluorescent Light Fixture
How to Identify and Repair Problems with Fluorescent Light Fixtures
Electrical Question: I have fluorescent lighting in my kitchen and I have been having issues getting the lights to turn on when it is humid out.
This fluorescent light fixture is very frustrating!
- The bulbs are OK, in fact, I’m pretty sure they’re brand new.
- Do you have any suggestions on what this could be and how I can fix it?
- Anything you have to tell me would be a great help!
I look forward to your response. Have a great night!
Additional Comments: Tons of information available for different things.
Background: Nicole, from Lehighton, Pennsylvania.
Thanks for your electrical wiring question Nicole.
Troubleshooting Checklist for Repairing a Fluorescent Light Fixture
- Lamp Pins and Sockets
Make sure both pins of the lamps are in all the way in the sockets and the lamps have been rotated so the pins make connection with the socket contacts. At the base of each end of the lamp there are marks 180 degrees apart from each other which are indicators where one will point downward when the lamp is rotated into the correct position to make connection with the contacts in the sockets.
- Ring Around Lamp Base
Make sure both lamps are in good condition and do not have dark rings around one end. One bad lamp can prevent the other lamp from starting.
- Damaged Sockets
Check the lamp sockets. Lamp sockets can be damaged when a lamp is forced into place. If a lamp socket is cracked or broken then it will need to be replaced.
- Ground Wire
The fluorescent fixture enclosure must be grounded. If the ground wire has not been attached to the fixture housing this can cause the lamps to lighten up very dimly.
- Fluorescent Light Ballast
Never let fluorescent lamps burn out in the socket. This is a sure way of damaging the internal ballast which will require a new ballast and lamps, and a fixture ballast is the most expensive part which can cost around $20.00 dollars.
- Lamp Starter
Some older fluorescent fixtures require starters that can go bad. A starter has the appearance of a small round silver can which is usually found at one end of the fixture. Starters can burn out and require replacing. They require a slight twist to remove or install them.
- Light Switch
Every once and a while the wall switch may stop working and need replacing. Make sure to replace the wall switch with the same voltage and amperage as indicated on the original switch.
More about Wiring Light Fixtures
Kitchen Electrical Wiring Requirements
This wiring diagram and pictures explain the basic kitchen electrical code wiring requirements required for most new or remodel projects.
Be Careful and Be Safe - Never Work on Energized Circuits!
Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.
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This is the first tool I grab to troubleshoot a problem with outlet circuit wiring. This popular tester is also used by most inspectors to test for power and check the polarity of circuit wiring.
It detects probable improper wiring conditions in standard 110-125 VAC outlets Provides 6 probable wiring conditions that are quick and easy to read for ultimate efficiency Lights indicate if wiring is correct and indicator light chart is included Tests standard 3-wire outlets UL Listed Light indicates if wiring is incorrect Very handy and easy to use.
Strip Off Wire Insulation without Nicking and Damaging the Electric Wire!The Wire Stripper and Wire Cutter
My absolute favorite wire stripping tool that I have had in my personal electrical tool pouch for years, and this is the tool I use to safely strip electrical wires.
This handy tool has multiple uses:
The wire gauges are shown on the side of the tool so you know which slot to use for stripping insulation.
The end of the tool can be used to grip and bend wire which is handy for attaching wire onto the screw terminals of switches and outlets..
The wire stripper will work on both solid and stranded wire. This tool is Very Handy and Easy to Use.
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