Quote Originally Posted by higher4hockey
AC is both postive and negative, thats why its called AC(alternating current) it switches from negative to postive once every second.

like weed4life said, the white is the neutral (grounded) and the black is the hot(ungrounded)
true, if it were 60Hz, but electricity is much higher than that, alternating many many many times a second....

sorry, stoned factoid...