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2. Fulton MX991/U Flashlight - Wikipedia

   en.wikipedia.org/wiki/Fulton_MX991/U_Flashlight

   Four versions of the TL-122 were eventually developed, all utilizing exposed slider-type light switches (no switch guard): [4] During the 1950s, French armed forces (Forces Armées Françaises) issued its own version of the TL-122(D) supplied by a French contractor. TL-122. Original model with #14 screw-base bulb based on the Eveready Model No ...

3. Light switch - Wikipedia

   en.wikipedia.org/wiki/Light_switch

   The toggle light switch was invented in 1916 by William J. Newton. [2] As a component of an electrical wiring or home wiring system, the installation of light switches is regulated by some authority concerned with safety and standards. In different countries the standard dimensions of the wall mounting hardware (boxes, plates, etc.) may differ.

4. Security lighting - Wikipedia

   en.wikipedia.org/wiki/Security_lighting

   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.

5. Lightguard Systems - Wikipedia

   en.wikipedia.org/wiki/Lightguard_Systems

   Lightguard Systems Inc. produces Lighted Crosswalk Systems invented by its founder, Michael Harrison. Inspired by a series of fatal pedestrian traffic incidents in Santa Rosa, California in 1991, Harrison developed the first LightGuard system as a safety aid for installation at pedestrian crossings and started LightGuard Systems to produce them.

6. AN/PEQ-16 - Wikipedia

   en.wikipedia.org/wiki/AN/PEQ-16

   Currently issued in the USMC, the AN/PEQ-16B helps to consolidate the number of attachments on the hand guards of infantry weapons, including the visible, and infrared lasers, an infrared illuminator, and a white-light illuminator for urban or dark environments where night vision devices may be impractical or not available.

7. Multiway switching - Wikipedia

   en.wikipedia.org/wiki/Multiway_switching

   In building wiring, multiway switching is the interconnection of two or more electrical switches to control an electrical load from more than one location.A common application is in lighting, where it allows the control of lamps from multiple locations, for example in a hallway, stairwell, or large room.