The contact in line 5 is normally open and the contact in line 11 is normally closed. Many times there are also small numbers printed next to each of the electrical components on the diagram. In our ...

A specialized segment of the electrical construction and maintenance industry, AC motor control is an area that requires specific knowledge in order to troubleshoot motors effectively and ensure ...

Programmable logic controllers (PLCs) are used extensively throughout the world. Over time, they have advanced to become more user-friendly, efficient, smaller, and less expensive. Different types of ...