Ah. The electrician I talked to used to speak in riddles without ever giving an answer I could understand.You can let go of 347 AC because it's alternating current. I.e. It's a sinusoidal wave which is 0 volts 60 times a second (60 hertz AC)
It's high voltage DC current that you can't let go of because it's just on.
The subway runs at 600 volts DC for example. You don't want to touch that third rail.
Question: why don't you need a common on a single phase 208 appliance? only two hots and a ground. Answer" energy can neither be created or destroyed.
Question: How do you get 208 volts on a three phase feed when you have 3 120 volt lines. Answer






