The term "power selection switch" is a commonly used term in the realm of electronics and engineering. It refers to a device that enables users to select the power source that they want to use from one or more available sources. Various synonyms can be used to describe this type of device, including power source selector switch, voltage selector switch, and power input selector switch. Other options include the power supply switch, the energy source selector switch, and the power input switch. Each of these terms refers to the same type of device, and they all describe the various ways in which individuals can manage and control electrical power sources.