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  2. Light switch - Wikipedia

    en.wikipedia.org/wiki/Light_switch

    Two light switches in one box. The switch on the right is a dimmer switch. 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]

  3. Eneloop - Wikipedia

    en.wikipedia.org/wiki/Eneloop

    Panasonic's fourth-generation Eneloop batteries, in AA and AAA sizes Panasonic Eneloop Smart & Quick Charger BQ-CC55 Sanyo Eneloop battery charger. Eneloop (Japanese: エネループ, Hepburn: Enerūpu), stylized as eneloop, is a brand of 1.2-volt low self-discharge nickel–metal hydride (NiMH) rechargeable batteries and accessories developed by Sanyo [1] and introduced in 2005.

  4. Comparison of commercial battery types - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_commercial...

    Under certain conditions, some battery chemistries are at risk of thermal runaway, leading to cell rupture or combustion.As thermal runaway is determined not only by cell chemistry but also cell size, cell design and charge, only the worst-case values are reflected here.

  5. Light fixture - Wikipedia

    en.wikipedia.org/wiki/Light_fixture

    A light fixture (US English), light fitting (UK English), or luminaire is an electrical lighting device containing one or more light sources, such as lamps, and all the accessory components required for its operation to provide illumination to the environment. [1] All light fixtures have a fixture body and one or more lamps.

  6. John Henry Holmes - Wikipedia

    en.wikipedia.org/wiki/John_Henry_Holmes

    John Henry Holmes invented the quick break light switch in 1884. [ 8 ] which was patented in Great Britain [ 9 ] and the United States [ 10 ] that year. The technology radically improved the prior switch technology by ensuring the internal contacts moved apart quickly enough to deter the electric arcing that would create a fire hazard and ...

  7. KosherSwitch - Wikipedia

    en.wikipedia.org/wiki/KosherSwitch

    The KosherSwitch seeks to improve upon existing innovations by allowing light fixtures to be triggered on or off as needed by a person acting on Shabbat. According to the manufacturer, the switch is based upon "un-grama" [3] [4] (non grama). The basic idea is that the switch activates only sometimes, and only after a delay, making the action ...