NC Contacts: Contacts that are normally closed.
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NO Contacts: Contacts that are normally open.
Symbol
English
![airline logo.png]](https://answers.airlinehyd.com/hs-fs/hubfs/Product%20Images/Airline%20Logos%20and%20Headers/airline%20logo.png?height=40&name=airline%20logo.png){kind=small}
NC Contacts: Contacts that are normally closed.
Symbol
NO Contacts: Contacts that are normally open.
Symbol