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The switch box is covered by a decorative plate. The first light switch employing "quick-break technology" was invented by John Henry Holmes in 1884 in the Shieldfield district of Newcastle upon Tyne. [1] The "quick-break" switch overcame the problem of a switch's contacts developing electric arcing whenever the circuit was opened or closed.
Electrical outlet, also referred to as a wall plate, outlet cover, or socket cover; Front panel, of computers; Head unit, stereo system component; Motherboard, input/output port panel such as on an ATX; Cover (container) Faceplate (housing), decorative elements of housing Nokia 5110, mobile phone with interchangeable faceplates
A socket with a built-in switch is far more likely to fail in normal use as the switch parts wear out. Insulation failures are usually caused by impacts or by difficulty inserting or removing a lamp. Sockets used outdoors or in damp areas often suffer from corrosion which can cause the lamp to "stick" in the socket and attempts to change a lamp ...
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Internationally, IEC 60529 classifies the IP Codes (ingress protection rating) of enclosures. In the United States, the National Electrical Manufacturers Association (NEMA) publishes NEMA enclosure type standards for the performance of various classes of electrical enclosures.
A 1-year-old baby and a 10-year-old boy were among three victims killed in a home massacre in Louisiana. The two children, as well as a 40-year-old woman, were found "stabbed to death" when police ...
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