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A halogen lamp operating in its fitting with the protecting glass removed A halogen lamp behind a round UV filter. A separate filter is included with some halogen light fixtures to remove UV light. Halogen lamp (105 W) for replacement purposes with an E27 screw base A close-up of a halogen lamp capsule
The L-Prize competition was designed to spur development of LED light replacements for 60W incandescent lamps and PAR38 halogen lamps as well as an ultra-efficient "21st Century Lamp". [1] It was established by the United States Department of Energy (DOE) as directed by the Energy Independence and Security Act of 2007. The original competition ...
Security lighting to prevent intrusions may be counter-productive. Turning off lights halved the number of thefts and burglary in Övertorneå Sweden. [2] [3] A test in West Sussex UK showed that adding all-night lighting in some areas made people there feel safer, although crime rates increased 55% in those areas compared to control areas and to the county as a whole.
This set up performance standards and the phase-out of incandescent light bulbs in order to require the use of more efficient fluorescent lighting. EISA 2007 is an effort to increase lighting efficiency by 25-30%. Opposition to EISA 2007 is demonstrated by the Better Use of Light Bulbs Act and the Light Bulb Freedom of Choice Act.
1982: MagCharger: a larger more expensive model popular with public safety and emergency-services personnel. This light is much brighter than typical Maglites, and uses an incandescent Halogen bulb and a rechargeable NiCad or NiMH battery pack. 1984: Two AA cell batteries (Mini Maglite) Maglite's first personal size flashlight
Under ECE regulations, H1 lamps are required to emit white or selective yellow light. [1] U.S. regulations require H1 lamps to emit white light. [2] Under both ECE and U.S. specifications, the allowable range of white light is quite large; some H1 lamps have a slight blue or yellow tint to the glass yet still produce light legally acceptable under the requirement for white light.
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