- Ballast Efficacy Factor
- The measure of the efficiency of fluorescent lamp ballasts. It is the relative light output divided by the power input.
Energy terms . 2014.
Energy terms . 2014.
Electrical ballast — Choke ballast (inductor) used in older lighting. This example is from a tanning bed. Requires a lamp starter (below) and capacitor … Wikipedia
Lamp (electrical component) — A lamp is a replaceable component such as an incandescent light bulb, which is designed to produce light from electricity. These components usually have a base of ceramic, metal, glass or plastic, which makes an electrical connection in the… … Wikipedia
Lighting — Not to be confused with lightning. For other uses, see lighting (disambiguation). Low intensity lighting and haze in a concert hall allows laser effects to be visible … Wikipedia
Fluorescent lamp — A fluorescent lamp or fluorescent tube is a gas discharge lamp that uses electricity to excite mercury vapor. The excited mercury atoms produce short wave ultraviolet light that then causes a phosphor to fluoresce, producing visible light.Unlike… … Wikipedia
weight — [n1] heaviness adiposity, avoirdupois, ballast, burden, density, G factor*, gravity, gross, heft, heftiness, load, mass, measurement, net, ponderosity, ponderousness, poundage, pressure, substance, tonnage; concept 795 weight [n2] something used… … New thesaurus
LED lamp — An LED lamp (LED light bulb) is a solid state lamp that uses light emitting diodes (LEDs) as the source of light. The LEDs involved may be conventional semiconductor light emitting diodes, organic LEDs (OLED), or polymer light emitting diodes… … Wikipedia