3 ms·
In the UK, at least, that distinction is still used. GND is the symbol for 0V in circuits. Earth is, as you say, the safety path to actual ground. It's the 3
by jlokier 8y ago
In the UK, at least, that distinction is still used.
GND is the symbol for 0V in circuits. Earth is, as you say, the safety path to actual ground. It's the 3rd pin on domestic mains plugs, and you can't call something earthed if it doesn't connect to the safety path.
But I'm pretty sure we use "virtual earth" for op-amps :-)