Mains electricity by country
OverviewVoltage and frequencyCurrentPlugsTable of mains voltages, frequencies, and plugs
Mains electricity varies in voltage and AC frequency across the world. As shown in the adjacent map and in the table below, premises in most of the world receive a supply of between 220–240 volts (nominal) at an AC frequency of 50 hertz. North America is the biggest exception. With the notable exception of North America, premises around the world receive eith
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