Individuals have been introduced to the operating principles of contactors and relays. They are familiar with mechanical as well as solid-state devices. They are able to identify magnetic and mechanically held contactors. They can identify and describe control relays, timing relays, solid-state relays and overload relays. They can select and install relays and are able to troubleshoot control circuits. They can explain how to install low-voltage remote control switching systems.

• Type Validation
• Time Hours