Q: I have two overhead fluorescent light fixtures – one in the kitchen ceiling and one in the laundry room – that are not working properly. After the switch has been turned on, the light bulbs may ...

Unplug the fixture or turn off the power at the main panel. Remove the diffuser (cover), then carefully remove the ...

Q: My home is about 20 years old. My problem is with the lights in the kitchen. Sometimes they work and sometimes they don’t. When I turn on the switch, the light flickers or just partially lights. I ...

Fluorescent light fixtures are more efficient and cheaper to run than incandescent. But some fluorescent fixtures buzz or hum, and they take a long time to start when temperatures fall much below ...

Electronic ballasts used in fluorescent lighting systems can experience high failure rates, due to the fact that the ballast manufacturer may not have considered all failure mechanisms or provided ...

The first artificial source of light was nothing more than a burning stick -- about a million years ago. About 5,000 years ago, a wick and some oil in a clay jar became the first lamp and replaced the ...

If you want to improve lighting system efficiency, ballast selection is critical. Today's most popular energy-efficient lighting designs involve new ballasts. Because ballast technology is constantly ...

Green Ballast fluorescent light ballasts will be used to save energy in a Memphis, Tennessee parking garage. Green Ballast (OTCBB: GBLL), an energy solutions company headquartered in Memphis, ...

To comply with new laws on reducing energy usage, fluorescent and HID lighting systems — both examples of arc discharge lamps — have become more complex and varied in their performance. To understand ...