Q • I have a fluorescent light in my laundry room that won't always come on. Sometimes it does, but more often than not, it only has a dim light and the bulbs flicker. I've tried replacing the bulbs, ...

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 ...

In part 1 we discussed rectifying the ballast AC current to DC and we showed an open load protection circuit. Direct replacement of fluorescent tubes with LED assemblies can lead to uneven lighting.

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 lights are more efficient than incandescent ones, but also more complicated. As a result, simply replacing the bulb-actually a tube-when a fluorescent light develops problems will not ...

Light emitting diode tubes are designed to replace standard T-8 and T-12 fluorescent tubes without modifications to the fixtures or ballasts. Simply remove the existing fluorescent tube and drop in ...

Philips has led the way in designing an instantaneous 'click-to-fit' LED retrofit alternative for linear electronic instant start fluorescent tube lighting. Currently, installers need to re-wire 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 ...