NO Contacts: Contacts that are normally open.
Electrical Symbol:

Electrical Symbol:
CX-Programmer Ladder Symbol:

NC Contacts: Contacts that are normally closed.
Electrical Symbol:
![]()
CX-Programmer Ladder Symbol:

Was this article helpful?
That’s Great!
Thank you for your feedback
Sorry! We couldn't be helpful
Thank you for your feedback
Feedback sent
We appreciate your effort and will try to fix the article