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Edison 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. The bulbs have right-hand threaded metal bases (caps) which screw into
A wedge base holds the lamp by spring compression in the socket. The lamp is inserted and removed without twisting. Wedge base lamps are widely used in automotive applications, and many Christmas lights strings use plastic wedge-based bulbs. Other wedge bases include strip lamps, sometimes called architectural lamps, with S14s connections ...
The company was founded by Reuben Berkley Benjamin and filed its first patent for an electric lamp socket in 1898. The company went on to manufacture various other electrical products. One of Benjamin's most notable products was their series of non-contact fire alarm horns, introduced in the early 1920s. They were available in flush-mount ...
U.S. patent 774,250.The first US power plug and socket dated 1904. Several early American electrical plug and socket arrangements were invented by Harvey Hubbell.On 26 February 1903 he filed two patent applications featuring 2-pin plugs and adaptors for using his plugs with existing designs of lamp sockets and wall receptacles.
The sconce is a very old form of fixture, historically used with candles and oil lamps. They can provide general room lighting, and are common in hallways and corridors, but they may be mostly decorative. [1] A sconce may be a traditional torch, cresset, candle or gaslight, or a modern electric light source affixed in the same way.
Candle toppers are cute, open metal lids that often have intricate designs. Like the aluminum foil, they help keep the flames protected from wind and drafts so the wax can melt evenly.