What is another word for automatic switch?
Pronunciation: [ˌɔːtəmˈatɪk swˈɪt͡ʃ] (IPA) 
An automatic switch is a piece of equipment that automatically controls the flow of electricity in an electrical circuit. Other synonyms for the term automatic switch include "automatic transfer switch," "automatic power switch," and "automatic load transfer switch." An automatic transfer switch is used to switch between a primary and backup power source automatically. An automatic power switch is used to switch on and off the electrical power supply to a device or appliance automatically. An automatic load transfer switch is used to transfer the load between the power sources automatically. Regardless of the term used, an automatic switch is an essential component in many electrical systems.
