GFCI breaker basics - Ground fault circuit interrupter how it works

The video tutorial explains the importance and functionality of GFCI circuit breakers. It covers the installation process, including the connection of hot, neutral, and ground wires, and highlights the necessity of adhering to the national electric code. The tutorial also demonstrates how GFCI breakers detect imbalances in current flow to prevent electrical accidents, ensuring safety by automatically tripping the breaker when a fault is detected.

Explain the importance of checking with the national electric code when installing GFCI circuits.

What safety mechanism does a GFCI breaker provide when a fault occurs?