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4 ft 8. +. 1⁄2 in ( 1,435 mm) The Flivver Lo-V was a New York City Subway car type built in 1915 by the Pullman Company for the IRT and its successors, which included the New York City Board of Transportation and the New York City Transit Authority. The name Flivver originates from a slang term of the same name used during the early part of ...
The Energy Policy Act of 2005 (Pub.L. 109-58) provided an energy-efficient commercial building tax reduction program for lighting systems that exceed code lighting. Based on estimates by the U.S. Department of Energy (DOE), lighting represents 40% of the electrical consumption in a commercial building, through the improvement of these systems ...
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.
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.lighting: Lighting & lighting repair shops, lighting departments within home supply stores, contractors, commercial/residential architects, DIYers — Identity Digital: Yes: Yes .like — Amazon Registry Services, Inc..limited
Neon lighting consists of brightly glowing, electrified glass tubes or bulbs that contain rarefied neon or other gases. Neon lights are a type of cold cathode gas-discharge light . A neon tube is a sealed glass tube with a metal electrode at each end, filled with one of a number of gases at low pressure.
Gobos are used with projectors and simpler light sources to create lighting scenes in theatrical applications. Simple gobos, incorporated into automated lighting systems, are popular at nightclubs and other musical venues to create moving shapes.
Security lighting. In the field of physical security, security lighting is lighting that intended to deter or detect intrusions or other criminal activity occurring on a property or site. It can also be used to increase a feeling of safety. Lighting is integral to crime prevention through environmental design.
Lighting control systems are employed to maximize the energy savings from the lighting system, satisfy building codes, or comply with green building and energy conservation programs. Lighting control systems may include a lighting technology designed for energy efficiency, convenience and security.
When expressed in dimensionless form (for example, as a fraction of the maximum possible luminous efficacy), this value may be called luminous efficiency of a source, overall luminous efficiency or lighting efficiency.