What is defined as any electrically powered appliance?

The term that is defined as any electrically powered appliance is "device." In the context of electrical terminology, a device encompasses a wide variety of items that utilize electricity to perform a specific function. This could include anything from a simple hair dryer to more complex equipment used in esthetics and beauty treatments.

Loading, current, and source have distinct meanings in electrical terminology. The load refers specifically to the amount of electrical power consumed by a device when it is in operation, while current refers to the flow of electric charge in a circuit. Source typically denotes the origin or supply of electrical energy, such as a battery or the power grid. Thus, “device” is the appropriate term to describe any appliance that operates with electricity.