Which description correctly defines normally open and normally closed contacts and their effect on outputs when actuated?

• A. Normally Open contacts are open when unactuated and close when actuated; normally Closed contacts are closed when unactuated and open when actuated; NO outputs energize on actuation; NC outputs de-energize on actuation.
• B. Normally Open contacts close on unactuated and open on actuated; Normally Closed contacts open on unactuated and close on actuated.
• C. Normally Open and Normally Closed refer to contact materials and have no impact on actuation.
• D. Normally Open outputs energize regardless of actuation.

Answer: (A)