110 volts and 220 volts
these are the voltages we deal with in the average resi house
yes you are it is the busy time for all of us and that is not an excuse for doing **** work IMHO. This guy knows better and isnt willing to spend the money needed to do the job correctly.
mrbill is right you have been great and sorry you have come accross one of the bad guys.
a picture would be good though
did you pay cash or visa
if visa then call and hold payment till he does right by you and dont worry about pissing him off either