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  2. 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]

  3. Emergency light - Wikipedia

    en.wikipedia.org/wiki/Emergency_light

    An emergency light is a battery-backed lighting device that switches on automatically when a building experiences a power outage. In the United States, emergency lights are standard in new commercial and high occupancy residential buildings, such as college dormitories , apartments , and hotels .

  4. Halogen lamp - Wikipedia

    en.wikipedia.org/wiki/Halogen_lamp

    A 150W Halogen floodlight. Fixed-mount lamps are used in indoor and outdoor flood lighting, although improvements in LED systems are displacing halogen lamps. Round spotlights with built-in multifaceted reflector lamps are widely used in residential and commercial lighting. Tubular halogen lamps provide a large quantity of light from a small ...

  5. LED lamp - Wikipedia

    en.wikipedia.org/wiki/LED_lamp

    A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...

  6. Floodlight - Wikipedia

    en.wikipedia.org/wiki/Floodlight

    A floodlight is a broad-beamed, high-intensity artificial light. It can provide functional area lighting [ 1 ] for travel-ways, parking, entrances, work areas, and sporting venues to enable visibility adequate for safe task performance, ornamental lighting for advertising, façades, monuments, or support perimeter security. [ 2 ]

  7. Strobe light - Wikipedia

    en.wikipedia.org/wiki/Strobe_light

    Internally triggered Strobotrons (light-output optimized thyratrons) were available [9] as well as flood-beam-CRT-type, grid-controlled Vacuum stroboscopic light sources with fast phosphors. [ 10 ] The strobe light was popularized on the club scene during the 1960s when it was used to reproduce and enhance the effects of LSD trips.

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