Automatically operated switches can be used to control the motions of machines, for example, to indicate that a garage door has reached its full open position or that a machine tool is in a position to accept another workpiece.
or to control power flow in a circuit, such as a light switch. The most familiar form of switch is a manually operated electromechanical device with one or more sets of electrical contacts, which are connected to external circuits.Ī switch may be directly manipulated by a human as a control signal to a system. "In electrical engineering, a switch is an electrical component that can break an electrical circuit, interrupting the current or diverting it from one conductor to another. The vector stencils library "Switches" contains 25 symbols of electrical and light switches and breakers.
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