Well, they are standardized - it's just that the standard (sadly) accepts a substantial number of different plug designs... Some countries did have to adapt whe

Well, they are standardized - it's just that the standard (sadly) accepts a substantial number of different plug designs... Some countries did have to adapt when the standard was defined or if they joined after the standard was set. Compared to what we had before, it was a substantial simplification of the landscape, even if it doesn't go all the way to mandate a single plug design.