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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 ...
The toggle light switch was invented in 1916 by William J. Newton. [2] As a component of an electrical wiring or home wiring system, the installation of light switches is regulated by some authority concerned with safety and standards. In different countries the standard dimensions of the wall mounting hardware (boxes, plates, etc.) may differ.
The switches are then connected to each other by a pair of wires called "travelers" (or "strappers" in the UK), and the lamp is connected to the common terminal of the second switch, as shown. Using the traveler system, there are four possible permutations of switch positions: two with the light on and two with the light off.
Pull switches may be either two-position (open or closed) or multi-position (allowing for different fan speeds or levels of illumination). Mounted inside a pull switch, there could be two types of two-position toggle switches. (In both cases the stable physical open- or closed -situation would be switch in outer and string in upper position.)
A twilight switch is an electronic component that allows the automatic activation of a lighting circuit when natural light drops in a given environment. Among a large number of uses, the most common is to enable automatic lighting of streets, roads, highways, roads, gardens, courtyards, etc., when sunlight drops below a certain level (e.g.: a ...
Dimmer light switch with RF-based remote control [1] A wireless light switch is a light switch that commands a light or home appliance to turn itself off or on, instead of interrupting the power line going to the light fixture. There are different ways to communicate between the switch and the fixture: [2]
Will Howard threw two touchdown passes to freshman Jeremiah Smith and Ohio State routed Tennessee 42-17 on Saturday night in a first-round College Football Playoff game, setting up a New Year's ...
Wiring running through tubes, and turning a corner supported by a knob. Notice the direct splice with more modern (1950s-era) non-metallic–sheathed cable . This type of connection is forbidden by the National Electrical Code , and a junction box should have been used.