Arc-Fault Circuit Interrupter

Electrician inspecting an arc-fault circuit interrupter breaker inside a residential electrical panel.

What Is an Arc-Fault Circuit Interrupter and Why Does It Matter?

An Arc-Fault Circuit Interrupter (AFCI) is an electrical safety device designed to detect potentially dangerous electrical arcing and disconnect power before certain arcing faults can cause a fire. Unlike conventional circuit breakers, which primarily respond to overloads and short circuits, AFCI devices provide additional protection against hazardous electrical conditions that may develop inside damaged wiring, […]
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