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2. 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.

3. Plasma globe - Wikipedia

   en.wikipedia.org/wiki/Plasma_globe

   Plasma balls can be used for experimenting with high voltages. If a conductive plate or wire coil is placed on the ball, capacitive coupling can transfer enough voltage to the plate or coil to produce a small arc or energize a high voltage load. This is possible because the plasma inside the ball and the conductor outside it act as plates of a ...

4. Chandelier - Wikipedia

   en.wikipedia.org/wiki/Chandelier

   The clearness and light scattering properties of lead glass made it a popular addition to the form, and conventionally, lead glass may be the only glass that can be described as crystal. The first mention of a glass chandelier in an advertisement appeared in 1727 (as schandelier ) in London.

5. Stage lighting instrument - Wikipedia

   en.wikipedia.org/wiki/Stage_lighting_instrument

   They are typically found in follow spots and moving fixtures. One of their downsides is that they cannot be dimmed: the light can be on or off. However, mechanical dimmers such as dousers, with slats or an iris to limit the light leaving the fixture, can be used to control the amount of light leaving the fixture. [1]

6. Vari-Lite - Wikipedia

   en.wikipedia.org/wiki/Vari-Lite

   The company subsequently incorporated as Vari-Lite Inc. [8] and struck distribution deals to introduce the product into international markets. [citation needed]The Series 200 system launched in 1987, featuring the Artisan Control Console and two new luminaires: the VL2—a direct descendant of the VL1—and the VL3, based on the VL-Zero.

7. Lighting - Wikipedia

   en.wikipedia.org/wiki/Lighting

   An important property of light fixtures is the luminous efficacy or wall-plug efficiency, meaning the amount of usable light emanating from the fixture per used energy, usually measured in lumen per watt. A fixture using replaceable light sources can also have its efficiency quoted as the percentage of light passed from the "bulb" to the ...