How does an AFCI work?
Unlike a standard circuit breaker that detects overloads and short circuits, an AFCI utilizes advanced electronic technology to “sense” different arcing conditions. In essence, the AFCI monitors the circuit and distinguishes between “normal” and “dangerous” arcing conditions. Some equipment in the home, such as vacuum cleaners and furnace motors, naturally create arcs. These arcs fall under normal arcing conditions. Dangerous arcs, however, occur for the numerous reasons listed above. These arcs are recognized by the AFCI and stopped before any damage can occur.
