lorenfb wrote:Ever attempted to determine which of the two phases powers
what areas of your house?
No, but as one of the brain dead I'd like to know the answer without the aid of a scope.
Any chance one phase goes to the left side of the panel and the other phase to the right ?
http://www.oempanels.com/208v-single-ph ... 8v-3-phase
And while I am on a roll of ignorance ... I'd like to understand 208 volt from a 120 volt WYE config (two phases connected)
I calculate it as 120 + 120*cos(pi/3) = 180 volts. Why is that wrong ?