power switch
  • A switch that serves to connect and disconnect a component, circuit, device, piece of equipment, or system, from a source of power, such as a power line.
  • A switch that serves to change between the on state and the off state. That is, the switch either turns something on, or it turns it off. Also called on/off switch (1).
  • A switch that serves to change between the on state and a standby state. Also called on/off switch (2).

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