on a 220v single phase, how does it work? Where is the return path?

Question

On a 110v single phase the voltage is returned on the neutral, which should be tied to the earth thereby creating the circuit. So how does 220v do complete the circuit?

Answer 1

For a 220V single phase, the current returns on the neutral.

The earth cable is there for a safety precaution.

When it comes to doing jobs around the house, I'm a handy man myself. When it comes to electricity, sound advice, don't meddle if you don't know what you are doing, you or somebody else may not get a second change if something goes wrong.

Answer 2

Neutral

Answer 3

Good question. The power going into the average home has two hot leads, a neutral and a ground.
Each hot lead is approx. 115 volts when measured to the neutral or ground lead.

The hot leads, however, are additive - opposite phase - i.e. when the voltage is tested between the two hot leads, they will measure approx. 230 volts because when one hot lead reaches it's RMS peak of positive 115 volts, the other lead is on its negative peak of minus 115 volts.

The neutral is provided at the plug because some components on a stove, for instance, operate at 115 volts. Modern 220 plugs now have four leads to provide a dedicated ground instead of tying the neutral to the ground on the inside of the appliance (common on clothes dryers).

Answer 4

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