Hello,
most non low-power electric devices have a ground pin to protect if a shortcut or something happens (Correct me if I got that wrong, already)
But how does it work? As far as I know you always need a completed circuit for electricity to flow. So how is an electric circuit closed if electricity flows to the ground?
In: Physics
there is a ground connection at the device but there is also a ground connection at the source of your power circuit. The second, pre-existing connection is the part you are missing that completes the circuit.
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