Tangentially related: There are currently 15 types of domestic electrical outlet plugs in use worldwide, each of which has been assigned a letter by the US Dep

Tangentially related: There are currently 15 types of domestic electrical outlet plugs in use worldwide, each of which has been assigned a letter by the US 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 -- https://www.worldstandards.eu/electricity/plugs-and-sockets/ https://www.worldstandards.eu/electricity/plugs-and-sockets/ How Japan Made Their Outlet Safe: https://www.youtube.com/watch?v=tqClY6PDCW0 https://www.youtube.com/watch?v=tqClY6PDCW0