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Voltage does not come out of an average home outlet under normal circumstances.

In North America the common potential voltage is 120 volts and is always at the receptacle as long as the circuit is energized. When an electrical device is plugged into the receptacle, through the device's connected cord, this brings the potential supply voltage to the electrical device.

When the device is turned on a current (amperage) will flow, governed by the resistance of the device. If it is a lamp, it will become bright. If it is a radio you will hear sounds.


When you unplug the electrical device from the receptacle, the device will stop operating but the voltage potential will still remain on the "hot" side of the receptacle's blade contact point.

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9y ago

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