Normally open contact devices on ladder rungs and are sometimes called ____ contacts.

A) prohibit
B) extend
C) inhibit
D) enable

Normally Open

A configuration in electrical contacts indicating the default state is non-conductive, closing to complete a circuit when activated.

Inhibit

To prevent or restrict a specific action or operation, often used in the context of controlling processes or reactions.

Enable

To make a device or system operational; to allow a process or function to proceed.