To prevent the danger of electrical shock and the possibility of electrocution, ground fault interrupts devices detect open circuits to earth ground in attached electrical or electronic devices.
A circuit diagram or wiring diagram uses symbols to represent parts of a circuit.
Going with the flow: Using analogies to explain electric circuits Going with the flow: Using analogies to explain electric circuits.
When an open circuit to earth ground is detected, the G.F.I. device immediately opens the voltage source to the device. G.F.I. devices are similar to circuit breakers but are designed to protect humans rather than circuit components.