How do those of you that have machienes from other countries hooked up in the US.I have talked to alot of electricians.(I work in the construction trade) .And get a different answers to the same Question.My machine has 3 wires .They can be hooked up hot -hot -nuteral .or hot - hot -ground.Some of the electrcians say it has to be one way ,some say it has to be the other or its not safe.some say it dosent matter.