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The phase out has been referred to as "light bulb socialism". [128] The consumer preference for light bulbs in the EU was for incandescent bulbs, with many complaining at the time of the regulation's adoption about what was described as the ugliness [129] or the cold, flat, unnatural, dull light emanating from CFLs.
A 5% reduction in voltage will double the life of the bulb, but reduce its light output by about 16%. Long-life bulbs take advantage of this trade-off in applications such as traffic signal lamps. Since electric energy they use costs more than the cost of the bulb, general service lamps emphasize efficiency over long operating life.
Under the law, incandescent bulbs that produced 310–2600 lumens of light were effectively phased out between 2012 and 2014 unless they could meet the increasing energy efficiency standards mandated by the bill. Bulbs outside this range (roughly, light bulbs currently less than 40 watts or more than 150 watts) were exempt from the ban.
Like all incandescent light bulbs, a halogen lamp produces a continuous spectrum of light, from near ultraviolet to deep into the infrared. [23] 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 ...
One from the previous RM to replace the former lightbulb with an LED light bulb, despite rejection from 107 users. One uninvolved editor to open a dispute resolution case over the switch to an LED bulb. Two to mediate the dispute. One to close the thread due to excessive personal attacks. One to open an articles for deletion discussion about ...
Many countries are encouraging the phase-out of incandescent light bulbs and substitution with other types of energy-efficient lamps. In addition to general lighting, special fluorescent lights are often used in stage lighting for film and video production. They are cooler than traditional halogen light sources, and use high-frequency ballasts ...
A compact fluorescent lamp (CFL), also called compact fluorescent light, energy-saving light and compact fluorescent tube, is a fluorescent lamp designed to replace an incandescent light bulb; some types fit into light fixtures designed for incandescent bulbs.
The Phoebus cartel was an international cartel that controlled the manufacture and sale of incandescent light bulbs in much of Europe and North America between 1925 and 1939. . The cartel took over market territories and lowered the useful life of such bulbs, which is commonly cited as an example of planned obsolescen
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