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Track lighting is a method of lighting where light fixtures are attached anywhere on a continuous track device which contains electrical conductors. [ 1 ] [ 2 ] This is in contrast to directly routing electrical wiring to individual light positions.
Most catwalks have several battens (pipes) that lighting fixtures may be attached to. Lights are usually attached by a C-Clamp or a hook clamp around the pipes. In addition to this primary attachment, fixtures generally have an additional safety cable attaching them to the catwalk, so that if the clamp or bolt gives way, the safety cable will ...
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.
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 ...
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]
A troffer is a rectangular light fixture that fits into a modular dropped ceiling grid (i.e. 2' by 2' or 2' by 4'). Troffer fixtures have typically been designed to accommodate standard fluorescent lamps (T12, T8, or T5), but are now often designed with integral LED sources. Troffers are typically recessed sitting above the ceiling grid, but ...
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