Most dimmers use pulse width modulation (PWM) to control the amount of power that is delivered to the lamp. Those that come bundled with a switch faceplate control the firing angle of a Triac on the ...

Ever since the electric light bulb was conceived in the early 1800s, inventors have sought to improve on its design to provide greater light output, better power efficiency, and increased longevity.

From September 1 non-directional halogen lamps, including standard pear or candle-shaped bulbs, will be phased out, after incandescent bulbs went in 2009 and halogen spotlight bulbs, or GU10s, went in ...

Each of the three basic types of light sources — incandescent, fluorescent, and HID — has its own particular applications and advantages. The proper selection of a lamp type will ultimately depend on ...

Because headlamps are something drivers use every day, we arranged with Truck-Lite to see if LED headlamps are really as good as they are reputed to be. Manufacturers such as Truck-Lite use sensitive ...

Buying lights from Lumicycle is like gathering all the best bits of Lego together to make the Deathstar instead of R2D2. Pick a battery, pick some lights, add a safety ring or two and you're good to ...

Compact fluorescent lamps (CFLs) and some light-emitting diodes (LEDs) present a much greater non-linear load on the distribution system compared to incandescent lights. As the less energy-efficient ...

More than ten years after the federal government initially established a rule banning inefficient lighting, the ban on incandescent bulbs has finally taken effect in the United States. The ban is ...