|
|
Symbols - Ground
|
Ground
It is equivalent to theoretical 0V and is used as zero potential reference. It is the potential of perfectly conducting earth.
|
|
Signal Ground
It is a reference point from which the signal is measured. There may be several signal grounds in a circuit due to the voltage drops in a circuit.
|
|
Chassis Ground
It acts as a barrier between user and the circuit and prevents electric shock.
|
|