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2. Electrical ballast - Wikipedia

   en.wikipedia.org/wiki/Electrical_ballast

   A commonly used light in the home in the 1960s in 220–240 V countries was a circular tube ballasted by an under-run regular mains filament lamp. Self ballasted mercury-vapor lamps incorporate ordinary tungsten filaments within the overall envelope of the lamp to act as the ballast, and to partially compensate for the red-deficient light ...

3. United States lightship Chesapeake (LV-116) - Wikipedia

   en.wikipedia.org/wiki/United_States_lightship...

   The 5000-pound (2300 kg) main anchor was backed up by a second 5000-pound anchor attached to the side of the ship. The 30,000 candela main light was also backed up with a secondary lamp and the Radio Locator Beacon also had a backup system. On more than one occasion (in 1933, 1936, and 1962) the main anchor chain snapped during violent storms ...

4. List of automotive light bulb types - Wikipedia

   en.wikipedia.org/wiki/List_of_automotive_light...

   12V: ECE nominal luminous flux: 1,550 lm ±15% H3 1 6 V & 12 V: 55 W 24 V: 70 W PK22s USA, Japan 12V: ECE nominal luminous flux: 1,450 lm ±15% H4 2 6 V & 12 V: 60 / 55 W 24 V: 75 / 70 W P43t Japan Similar US bulb: HB2 (9003) 12V: ECE nominal luminous flux: 1,650 / 1,000 lm ±15% Available with P45t base to upgrade old headlamps designed for R2 ...

5. Automobile auxiliary power outlet - Wikipedia

   en.wikipedia.org/wiki/Automobile_auxiliary_power...

   For the 12 volt systems, the center contact is the positive terminal and the shell is the negative terminal. Most automobiles connect the negative terminal to the frame of the vehicle (negative ground). 12 volt auto connectors are made to comply with a standard by Underwriters Laboratories for safety. UL2089 was developed to cover the ...

6. News, Politics, Sports, Mail & Latest Headlines - AOL.com

   firefox-startpage.aol.com

   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

7. Automotive lighting - Wikipedia

   en.wikipedia.org/wiki/Automotive_lighting

   LED light sources appear increasingly as interior convenience lights in various locations, especially with finely focused lighting on console control surfaces and in cabin storage areas. Map lights are aimed at specific passenger positions and allow for reading without glare distraction to the driver.