What protects from electrical shock by circuit interruption?

What protects from electrical shock by circuit interruption?

• A. Grounding
• B. Fuse
• C. GFI
• D. Anode

Answer: (C)

A Ground Fault Interrupter detects leakage of current to ground and interrupts the circuit to prevent shock. It constantly compares the current in the hot wire and the return path; if a difference appears—such as when a person provides a path to ground—the device trips in milliseconds and cuts power. This rapid interruption is exactly what protects someone from receiving an electric shock when a fault causes current to divert away from its intended path. Grounding, while it provides a safe path for stray electricity, does not automatically shut off power when a fault occurs. A fuse will interrupt the circuit due to overcurrent, but it isn’t designed specifically to detect small ground-leakage events. Anode is unrelated to this safety mechanism.

A Ground Fault Interrupter detects leakage of current to ground and interrupts the circuit to prevent shock. It constantly compares the current in the hot wire and the return path; if a difference appears—such as when a person provides a path to ground—the device trips in milliseconds and cuts power. This rapid interruption is exactly what protects someone from receiving an electric shock when a fault causes current to divert away from its intended path.

Grounding, while it provides a safe path for stray electricity, does not automatically shut off power when a fault occurs. A fuse will interrupt the circuit due to overcurrent, but it isn’t designed specifically to detect small ground-leakage events. Anode is unrelated to this safety mechanism.