The words of the switch are interpreted as on and off. It also refers to an electronic component that can open a circuit, interrupt current, or cause it to flow to other circuits. The most common switch is an electromechanical device that operates, with one or several electronic contacts. The "closed" of the contact indicates that the electronic contact is conducting, allowing current to flow; the "open" of the switch indicates that the electronic contact is not conducting to form an open circuit, and no current is allowed to flow.
Auto Switch Parts According to the purpose: wave switch, band switch, recording and playback switch, power switch, pre-selection switch, limit switch, control switch, transfer switch, disconnector, travel switch, wall switch, intelligent fire switch.