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

Q: As I was changing the fluorescent light tube in my ceiling fixture, I rotated the bulb to get it out and I heard a “snap” and saw things falling from the fixture. I cringed and waited for the pain.

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 ...

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 ...

A new device from the United States could make fluorescent lighting even more efficient than it already is. Standard fluorescent lights save four times more energy than an ordinary light bulb, but ...