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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.
Soft White and Warm White. Ranging from 1,000K to 6,000K, soft or warm light is the lowest color temperature, producing the coziest-feeling light. “Rooms that are primarily used for recreation ...
An incandescent lamp's light is thermal radiation, and the bulb approximates an ideal black-body radiator, so its color temperature is essentially the temperature of the filament. Thus a relatively low temperature emits a dull red and a high temperature emits the almost white of the traditional incandescent light bulb.
Incandescence is the emission of electromagnetic radiation (including visible light) from a hot body as a result of its high temperature. [1] The term derives from the Latin verb incandescere, to glow white. [2] A common use of incandescence is the incandescent light bulb, now being phased out. [as of?]
Like all incandescent light bulbs, a halogen lamp produces a continuous spectrum of light, from near ultraviolet to deep into the infrared. Since the lamp filament can operate at a higher temperature than a non-halogen lamp, the spectrum is shifted toward blue, producing light with a higher effective color temperature and higher power efficiency.
Many consumers mistakenly believe the new standards, included in the Energy Independence and Security Act of 2007, ban the sale of incandescent bulbs. Not true. Rather, the federal government has ...
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