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Construction
The art, trade, or work of building.
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Construction > Lighting
tandem wiring
Construction; Lighting
A wiring option in which a ballasts is shared by two or more luminaires. This reduces labor, materials, and energy costs. Also called "master-slave" wiring.
mercury vapor lamp
Construction; Lighting
A type of high intensity discharge (HID) lamp in which most of the light is produced by radiation from mercury vapor. Emits a blue-green cast of light. Available in clear and ...
energy-saving ballast
Construction; Lighting
A type of magnetic ballast designed so that the components operate more efficiently, cooler and longer than a "standard magnetic" ballast. By US law, standard magnetic ballasts ...
metal halide
Construction; Lighting
A type of high intensity discharge (HID) lamp in which most of the light is produced by radiation of metal halide and mercury vapors in the arc tube. Available in clear and ...
downlight
Construction; Lighting
A type of ceiling luminaire, usually fully recessed, where most of the light is directed downward. May feature an open reflector and/or shielding device.
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