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Fluorescent lamps in various embodiments. Since their introduction as a commercial product in 1939, many different types of fluorescent lamp have been introduced. Systematic nomenclature identifies mass-market lamps as to overall shape, power rating, length, color, and other electrical and illuminating characteristics.
This is an accepted version of this page This is the latest accepted revision, reviewed on 12 February 2025. American multinational home improvement supplies retailing company The Home Depot, Inc. A Home Depot in Onalaska, Wisconsin Company type Public Traded as NYSE: HD DJIA component S&P 100 component S&P 500 component Industry Retail (home improvement) Founded February 6, 1978 ; 47 years ...
In East and Southeast Asia incandescent bulbs are rare in buildings. 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 ...
Nov. 4—Moscow residents pressed Home Depot officials on matters like traffic, jobs and water use during a community meeting Friday in Moscow. In August, the Idaho State Board of Education ...
BulbAmerica is the largest wholesale seller of lightbulbs in the U.S. [1] The New York-based on-line outlet sells nearly 40,000 different light bulb types. [2] [3] BulbAmerica was started in 2003 by Corey Frons and is headquartered in Brooklyn, New York.
A Maine Department of Environmental Protection (DEP) study of 2008 comparing clean-up methods warns that using plastic bags to store broken CFL bulbs is dangerous, because vapors well above safe levels continue to leak from the bags. The EPA and the Maine DEP recommend a sealed glass jar as the best repository for a broken bulb. [90]
Lamp bulbs with dual carbon filaments were built as early as 1902 to allow adjustable lighting levels. [1] Certain compact fluorescent lamp bulbs are designed to replace 3-way incandescent bulbs, [2] and have an extra contact and circuitry to dim to a similar light level. In recent years, LED 3-way bulbs have become available as well. [3]
Incandescent light bulbs consist of an air-tight glass enclosure (the envelope, or bulb) with a filament of tungsten wire inside the bulb, through which an electric current is passed. Contact wires and a base with two (or more) conductors provide electrical connections to the filament.