briansue wrote:
In Mexico "standard" is 127 - and it can go high and it can go low. This will trip some surge protectors some of the time. To keep our protection from tripping we have an ISB which attempts to regulate voltage to 120 (the "standard" for most appliances and equipment).
Yes. Appliances designed for lower "standard" than the "standard" of power lines because there is (usually) lower voltage in receptacles. If only they were sticking to their Mex standards a little better.
In the US the "standard" is 120 but what they probably didn't tell you in school is that median voltage is 117. This is what people's toasters and other things mostly run on.