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2. Emergency light - Wikipedia

   en.wikipedia.org/wiki/Emergency_light

   Some emergency lighting manufacturers offer dimming solutions for common area emergency lighting to allow energy savings for building owners when unoccupied using embedded sensors. [4] Another popular method for lighting designers, architects and contractors are battery backup ballasts that install within or adjacent to existing lighting fixtures.

3. Edison screw - Wikipedia

   en.wikipedia.org/wiki/Edison_screw

   230/240-volt incandescent light bulb with E27 screw baseEdison screw (ES) is a standard lightbulb socket for electric light bulbs. It was developed by Thomas Edison (1847–1931), patented in 1881, [1] and was licensed in 1909 under General Electric's Mazda trademark.

4. Lightbulb socket - Wikipedia

   en.wikipedia.org/wiki/Lightbulb_socket

   Incandescent, halogen and HMI light sources use this design. Medium bi-post (G22) is used with film & stage lighting fixtures between 250 and 1000 watts. Mini bi-post (G4-G6) Common types: G4 – 4 mm (0.15748 in) pin spacing GU4 & GZ4 – same as G4 and only denote what lamp mount clip is needed to hold the actual light bulb in place

5. Bardic lamp - Wikipedia

   en.wikipedia.org/wiki/Bardic_lamp

   3/4 front-left view of British Rail Bardic hand-lamp. The Bardic Rail Signalling Lamp was the original name of a particular type of electric railway signalling handlamp made from 1962 by Bardic, Ltd. [1] for use by rail and trackside workers.

6. List of automotive light bulb types - Wikipedia

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

   Bulbs used for headlamps, turn signals and brake lamps may be required to comply with international and national regulations governing the types of lamps used. Other automotive lighting applications such as auxiliary lamps or interior lighting may not be regulated, but common types are used by many automotive manufacturers.

7. California's piers may not be able to withstand climate change

   www.aol.com/news/californias-piers-may-not-able...

   The city determined that continuing to repair the current pier as city officials planned for its replacement was no longer feasible. Instead, the pier will remain closed until the city completes ...