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 ...

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 ...

Quartz Tungsten Halogen (QTH) lamps are proven visible and near infrared sources, thanks to their smooth spectral curve and stable output. They generate little ultraviolet radiation and do not exhibit ...