When humans are shocked by electricity from malfunctioning hardware
An electric shock occurs when a human is shocked by electricity. Depending on magnitude, shocks range from unpleasant to (rarely) fatal. In the context of Super User, electric shocks involve from malfunctioning hardware.
Compare static-discharge, in which electrostatic charge builds up on a human. When discharged, this can potentially damage the hardware, even if too weak to be felt.
