Performance specifications for fluorescent lamps include rated average life, lamp power, initial lumens, mean lumens, color rendering index and color temperature. Rated average life is the ...

Available in many lengths and several diameters, the tube is lined with a fluorescent phosphor ... However, due to their tubular design and cooler color temperatures, they have not been generally ...

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).