> just imagine if a small portion of standard-looking outlets did not output 220V (or whatever standard you have) and say 330V. Every once and a while an elect

> just imagine if a small portion of standard-looking outlets did not output 220V (or whatever standard you have) and say 330V. Every once and a while an electrician wires up standard US outlets to 480v 3-phase instead of 208v 3-phase, so you end up with an outlet designed for 120v that puts out 277v. Sometimes noone notices because the switching power supplies plugged into them are just fine with this.