Mains electricity

general-purpose alternating-current electric power supply delivered to homes and businesses

Mains electricity, also known in American English as utility power, power grid, domestic power, and wall power, is a type of electric power supply. It is the form of electrical power that is delivered to homes and businesses through electrical infrastructure in many parts of the world. People use this electricity to power everyday items—such as televisions and lamps—by plugging them into a wall outlet.

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