I have a GE dryer that is wired with a four prong plug. The house I just moved into has a three prong female. I bought a three prong wire. The back of the dryer says that the white and green wires are the neutral and the black and red are hot. Is that correct. A GE appliance person at Lowes said the black is the neutral which I know is customary. A handy man said the same thing. Which is correct. The three prong that I bought has the neutral in the middle. Please help me.