Different Types of Electrical Contacts - Normally Open and Normally Closed Contacts

Different Types of Electrical Contacts - Normally Open and Normally Closed Contacts

Posted by Tim on Jan 25 2018

These two contacts form the basics of most electrical drawings but we still receive lots of questions asking us to clarify the difference between a normally open (NO) and a normally closed (NC) contact.


Electrical contacts make up electrical switches, relays, circuit breakers, and most any other electrical component that switches something on/off or can be switched on/off.

Read more...