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The International Electrotechnical Commission publishes IEC 60050, the International Electrotechnical Vocabulary. [2]Generally the plug is the movable connector attached to an electrically operated device's mains cable, and the socket is fixed on equipment or a building structure and connected to an energised electrical circuit.
Cord sets are detachable from both the power supply and the electrical equipment, and consist of a flexible cord with electrical connectors at either end, one male, and one female. One end of the cord set is attached to a molded electrical plug; the other is typically a molded electrical receptacle to prevent the possibility of having an ...
When commercial electric power was first introduced in the 1880s, it was used primarily for lighting. Other portable appliances (such as vacuum cleaners, electric fans, smoothing irons, and curling-tong heaters) were connected to light-bulb sockets. As early as 1885 a two-pin plug and wall socket format was available on the British market.
The home of many children’s classic TV shows has launched PBS Retro, a free ad-supported channel that’s available via the Roku channel on Smart TVs, Roku devices, and web browsers. The channel ...
One of the most successful and familiar today, was the duplex receptacle which is still found everywhere that electrical power is used. In 1901, Hubbell published a 12-page catalogue that listed 63 electrical products of his company's manufacture, and four years later he incorporated his enterprise as Harvey Hubbell, Incorporated.
American Public Television (APT) is an American nonprofit organization and syndicator of programming for public television stations in the United States. It distributes public television programs nationwide for PBS member stations and independent educational stations, as well as the Create and World television networks.
NEMA 1-15P (two-pole, no ground) and NEMA 5-15P (two-pole with ground pin) plugs are used on common domestic electrical equipment, and NEMA 5-15R is the standard 15-ampere electric receptacle (outlet) found in the United States, and under relevant national standards, in Canada (CSA C22.2 No. 42 [1]), Mexico (NMX-J-163-ANCE) and Japan (JIS C 8303).
PBS Home Video was renamed PBS Distribution—PBSd in 2009, and became independent again in 2011. PBSd is jointly owned by PBS and the WGBH Educational Foundation . [ 4 ] It is currently distributing PBS programs and movies on DVD , Blu-ray , digital downloads , and video on demand and PBS Kids programs on DVD and digital downloads. [ 4 ]