10 Dec
2004
10 Dec
'04
3:56 a.m.
On Thu, 2004-12-09 at 22:55 -0800, Tom Jennings wrote:
I think in general "standard" voltages are
utterly arbitrary,
at the him of mortals picking numbers they "like".
Out of interest, why do we use 50Hz power in the UK and 60Hz in the US?
(I don't mean why are they different, I mean why those numbers)
I saw yesterday a claim that the 60Hz in the US was a Tesla invention,
but the info didn't elaborate on why he chose that figure if so...
Wouldn't surprise me if there was a connection to the telegraph system,
of course.
cheers
Jules