Canada 120V +5% -8.3% 60Hz 0.02% (143 refs)
Wow! That's some frequency stability you guys have up there north of the 49th! Why have you been holding out on us so long?
I see there's a reference to 240V 60Hz in the U.K. I'm not sure if 60Hz was ever
used anywhere in the U.K., but if it was it was certainly a long time ago before standardization at 50Hz in the 1930s.
So many of these compiled lists contain errors. I admire this guy's determination in searching all the references he used; it's unfortunate that so many of those references are inaccurate or outdated.
As somebody interested not just in today but also in the historical development of systems, I'd love to see a list of systems used in the past. But I think that to compile a comprehensive list such as that would be even more difficult a task.