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2. Touch-sensitive lamp - Wikipedia

   en.wikipedia.org/wiki/Touch-sensitive_lamp

   Video demonstrating the operation of a touch-sensitive lamp. A touch-sensitive lamp is a combination of a lamp and a touch switch. They act on the principle of body capacitance, activated by human touch rather than a flip, push-button, or other mechanical switch. They are popular as desk and nightstand lamps. Touch-sensitive lamp switches may ...

3. KosherSwitch - Wikipedia

   en.wikipedia.org/wiki/KosherSwitch

   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 ...

4. Shabbat lamp - Wikipedia

   en.wikipedia.org/wiki/Shabbat_lamp

   The lamp itself cannot be moved from its location due to the laws of muktzah. However, most authorities agree the component that is used to open or close the light is not attached, and under Jewish law, has the status of a lamp shade, which can be moved during Shabbat in order to control the amount of light that is exposed. [3]

5. Multiway switching - Wikipedia

   en.wikipedia.org/wiki/Multiway_switching

   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.

6. Light switch - Wikipedia

   en.wikipedia.org/wiki/Light_switch

   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.

7. Wireless light switch - Wikipedia

   en.wikipedia.org/wiki/Wireless_light_switch

   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]