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  2. Light switch - Wikipedia

    en.wikipedia.org/wiki/Light_switch

    Vintage push-button light switches. The push-button light switch has two buttons: one that closes the contacts and one that opens the contacts. Pushing the raised button opens or closes the contacts and pops out the previously depressed button so the process can be reversed. In the U.S., the buttons were commonly black; the "on" button ...

  3. Circuit diagram - Wikipedia

    en.wikipedia.org/wiki/Circuit_diagram

    A circuit diagram (or: wiring diagram, electrical diagram, elementary diagram, electronic schematic) is a graphical representation of an electrical circuit. A pictorial circuit diagram uses simple images of components, while a schematic diagram shows the components and interconnections of the circuit using standardized symbolic representations.

  4. Switch - Wikipedia

    en.wikipedia.org/wiki/Switch

    v. t. e. In electrical engineering, a switch is an electrical component that can disconnect or connect the conducting path in an electrical circuit, interrupting the electric current or diverting it from one conductor to another. [ 1 ][ 2 ] The most common type of switch is an electromechanical device consisting of one or more sets of movable ...

  5. Wiring diagram - Wikipedia

    en.wikipedia.org/wiki/Wiring_diagram

    A wiring diagram is a simplified conventional pictorial representation of an electrical circuit. It shows the components of the circuit as simplified shapes, and the power and signal connections between the devices. A wiring diagram usually gives information about the relative position and arrangement of devices and terminals on the devices, to ...

  6. Electrical connector - Wikipedia

    en.wikipedia.org/wiki/Electrical_connector

    Splice or butt connectors (primarily insulation displacement connectors) that permanently join two lengths of wire or cable. In computing, electrical connectors are considered a physical interface and constitute part of the physical layer in the OSI model of networking.

  7. Electronic switch - Wikipedia

    en.wikipedia.org/wiki/Electronic_switch

    The most widely used electronic switch in digital circuits is the metal–oxide–semiconductor field-effect transistor (MOSFET). [2] The analogue switch uses two MOSFET transistors in a transmission gate arrangement as a switch that works much like a relay, with some advantages and several limitations compared to an electromechanical relay.

  8. Push switch - Wikipedia

    en.wikipedia.org/wiki/Push_switch

    A push switch (button) is a momentary or non- latching switch which causes a temporary change in the state of an electrical circuit only while the switch is physically actuated. An automatic mechanism (i.e. a spring) returns the switch to its default position immediately afterwards, restoring the initial circuit condition. There are two types: [1]

  9. Electric switchboard - Wikipedia

    en.wikipedia.org/wiki/Electric_switchboard

    Definition. The U.S. National Electrical Code (NEC) defines a switchboard as "a large single panel, frame, or assembly of panels on which are mounted, on the face, back, or both, switches, over-current and other protective devices, buses, and usually instruments". [2] The role of a switchboard is to allow the division of the current supplied to ...