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 ...

A ballast for a fluorescent lamp has two primary functions: Provide high initial voltage to start the lamp; and regulate lamp current during operation. Common electronic ballasts convert 60-Hz line ...

The white paper covers a revision to the way ballast efficiency factor (BEF) is calculated. The National Electrical Manufacturers Association (NEMA), Rosslyn, VA, has released a white paper that ...

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 ...

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 ...

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 ...

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, ...

The IRS2530D and IRS2158D 600-V controllers from International Rectifier, Inc. are suited for dimming fluorescent lighting ballast applications. According to IR, the controllers promise to boost ...

International Rectifier has two new control ICs for dimming compact and tube-type fluorescents. Most designers won’t ever see them, though, because they go into the bases of compact bulbs or into ...

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 ...