What is a Normally Closed Push Button?

Normally ClosedPush Button

A Normally Closed (NC) Push Button is a push button that, in its default state, makes electrical contact with the circuit.

Normally Closed Push Button Diagrams

When the button is pressed down, the switch no longer makes electrical contact and the circuit is now open. Therefore, electricity can no longer flow to the other part of the circuit to turn or power on the respective part of the circuit the button was made to switch.

Normally Closed Push buttons are not the most common type of push button used; Normally Open Push Buttons are. However, they still have widespread use and application in many devices.

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