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Ground (electricity)
Ground (electricity)
In electrical engineering, "ground/earth" may be a reference point in a circuit where voltages are measured, a common return path for current, or a direct physical connection to the Earth.
Connecting to ground in a circuit creates a common reference point for voltage, and often a path for current to safely return in case of faults, with these 3 main things:
Sets a 0V reference: All voltages in the circuit are measured relative to this point.
Safety: In case of insulation failure or a short, excess current flows to ground instead of through a person or equipment.
Stabilizes voltage: Stop voltage from floating/rising from static/leakage.
References
References
[1] Wikipedia
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