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An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a filament that is heated until it glows. The filament is enclosed in a glass bulb that is either evacuated or filled with inert gas to protect the filament from oxidation. Electric current is supplied to the filament by terminals or wires ...
60 W incandescent light bulb with energy efficiency class E Equivalent 42 W halogen incandescent light bulb with efficiency class C Compact fluorescent lamp LED lamp. Various governments have passed legislation to phase out manufacturing or importation of incandescent light bulbs for general lighting in favor of more energy-efficient alternatives.
Today, this type of bulb is being phased out due to its inefficiency. ... like incandescent, contain a filament made of the metal ... While the upcoming ban on Edison's incandescent bulbs may be a ...
An electric light, lamp, or light bulb is an electrical component that produces light.It is the most common form of artificial lighting.Lamps usually have a base made of ceramic, metal, glass, or plastic which secures the lamp in the socket of a light fixture, which is often called a "lamp" as well.
Changing American preferences and looming government regulation resulted in the shuttering of the only remaining U.S. factory to make 100-watt A-line incandescent bulbs, in Winchester, Virginia.
Aug. 8—Why it matters: The official passing of the incandescent light bulb has gone by with little notice, a testament to the fact we can get rid of wasteful old technologies. It was more than ...