Like the incandescent bulb before it, the compact fluorescent (CFL ... interesting circuitry that made these relatively efficient light bulbs work, and [mircemk] is here to show us some of ...

DEFINITION: CFLs are a type of energy-efficient lighting which typically use around 60-80% less energy than traditional incandescent bulbs and have a lifespan of around 10 years – five times that of ...

They hold light bulbs and make electrical contact to provide a bulb with power. Lampholders are used with most light sources for incandescent, fluorescent, and compact fluorescent lamps (CFL).

In some people that are photosensitive, UV light from sunlight and indoor light sources can trigger a lupus flare. In addition to sunlight, ultraviolet rays are also given off by several different ...

This size, interchangeable with the European E27, is the one you see in incandescent, light-emitting diode (LED) and compact ...