Voltage, Frequency and Plug Type of Single Phases Electricity of the World
The following is a complete overview of the voltage and frequency of all countries in the world and their respective plugs, sockets and household appliances. The table shows that in most countries, the mains voltage is between 220 and 240 volts (50 or 60 Hz); the number of countries operating at 100-127 volts is particularly small. In addition, Type A and Type C are the most commonly used electrical plugs in the world.