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  2. Sodium-vapor lamp - Wikipedia

    en.wikipedia.org/wiki/Sodium-vapor_lamp

    A high-pressure sodium street light in Toronto A high-pressure sodium-vapor lamp An HPS lamp that isn't entirely off. A sodium-vapor lamp is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm. Two varieties of such lamps exist: low pressure, and high pressure.

  3. Lithonia, Georgia - Wikipedia

    en.wikipedia.org/wiki/Lithonia,_Georgia

    Lithonia is the birthplace of the Lithonia Lighting company, one of North America's largest manufacturers of commercial, institutional, industrial and residential light fixtures, [citation needed] which was founded in the city in 1946 but moved to nearby Conyers in the 1950s.

  4. Light fixture - Wikipedia

    en.wikipedia.org/wiki/Light_fixture

    A light fixture (US English), light fitting (UK English), or luminaire is an electrical lighting device containing one or more light sources, such as lamps, and all the accessory components required for its operation to provide illumination to the environment. [1] All light fixtures have a fixture body and one or more lamps.

  5. Metal-halide lamp - Wikipedia

    en.wikipedia.org/wiki/Metal-halide_lamp

    Like other gas-discharge lamps such as the very-similar mercury-vapor lamps, metal-halide lamps produce light by ionizing a mixture of gases in an electric arc.In a metal-halide lamp, the compact arc tube contains a mixture of argon or xenon, mercury, and a variety of metal halides, such as sodium iodide and scandium iodide. [7]

  6. Yaquina Head Light - Wikipedia

    en.wikipedia.org/wiki/Yaquina_Head_Light

    The Yaquina Head Light, also known early in its existence as the Cape Foulweather Lighthouse (though Cape Foul Weather is 4 miles to the north) is a lighthouse on the Oregon Coast of the United States, established in 1873. It is located in Lincoln County, near Newport at Yaquina Head. The tower stands 93 feet (28 m) tall, and is the tallest ...

  7. Category:Light fixtures - Wikipedia

    en.wikipedia.org/wiki/Category:Light_fixtures

    A light fixture or luminaire is a technical and professional term for the electrical fixtures used to hold a lamp—a light bulb—the light source. Wikimedia Commons has media related to Lighting fixtures .

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