On 3 May 2014 23:18, Paul Koning <paulkoning at comcast.net> wrote:
 >
> On 05/03/2014 12:34 PM, Kenny wrote:
> Just curious--where is 110V 50Hz a common power distribution? 
 Wikipedia has a map (see "Utility frequency").  It's used in half of Japan
-- the other half uses 110V 60Hz. 
 
100V though, not 110V, both for the 50Hz regions and the 60Hz regions.
-Tor (just back from three months in Japan)