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The lettered naming convention is common and not new ([see](https://en.wikipedia.org/wiki/AC_power_plugs_and_sockets#Types_in_present_use https://en.wikipedia.o
by zdimension 3y ago
The lettered naming convention is common and not new ([see](https://en.wikipedia.org/wiki/AC_power_plugs_and_sockets#Types_in_present_use https://en.wikipedia.org/wiki/AC_power_plugs_and_sockets#Typ...))
In France, Switzerland and Germany I've heard the terms "type C/E/F" (sometimes "Schuko"), but never CEE 7/3 or CEE 7/7.