Plug & socket types

There are 15 types of electrical outlet plugs in use today, each of which has been assigned a letter by the U.S. Department of Commerce International Trade Administration (ITA), starting with A and moving through the alphabet. These letters are completely arbitrary: they don’t actually mandate anything.




Click here for a global map showing the spread of the different plug types used around the world.




Click here for a detailed list of the countries of the world with their respective plug and outlet types, voltage and frequency.




A comprehensive list of all countries that use a specific kind of plug can be found here.