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A time switch (also called a timer switch, or simply timer) is a device that operates an electric switch controlled by a timer. Intermatic introduced its first time switch in 1945, which was used for "electric signs, store window lighting, apartment hall lights, stokers, and oil and gas burners." A consumer version was added in 1952.
Individual tenants turn lights on, but have little reason to turn them off. Particularly so in the days of incandescent lamps this could be an appreciable cost. For this reason shared dwellings favour timers for staircases instead. [1] The lights are turned on by a push-button switch on any floor. They remain on automatically for an adequate ...
That is, if the light board is in a control room that is located far from the fixtures, such as a catwalk, an RFU can be attached and an electrician or the lighting designer can bring it to a location which is close to the lights. Some of the newer and more advanced boards have RFUs that can be connected through USB or even wirelessly.
A toggle light switch Internal components of a toggle switch. The toggle mechanism provides "snap-action" through the use of an "over-center" geometry. The design was patented in 1916 by William J. Newton and Morris Goldberg. [2] The switch actuator does not control the contacts directly, but through an intermediate arrangement of springs and ...
Mechanical timers use clockwork to measure time. [1] Manual timers are typically set by turning a dial to the time interval desired, turning the dial stores energy in a mainspring to run the mechanism. They function similarly to a mechanical alarm clock, the energy in the mainspring causes a balance wheel to rotate back and forth. Each swing of ...
The KosherSwitch (a.k.a. "Kosher Switch", "Shabbos switch", "Shabbat switch") is a wall switch marketed to the observant Jewish market and institutions servicing this market, as a means of controlling electricity on-demand on Shabbat and Jewish holidays in a manner that is permissible according to some Orthodox authorities, [1] though some ...
Android TV is an operating system that runs on smart TVs and related entertainment devices including soundbars, set-top boxes, and digital media players.Developed by Google, it is a closed-source Android distribution.
"Light Switch" is a song recorded and produced by American singer-songwriter Charlie Puth. It was released on January 20, 2022, as the lead single from his third studio album, Charlie (2022). [ 2 ] Puth wrote the song alongside Jacob Kasher Hindlin and Jake Torrey. [ 3 ]