AFCIs are devices designed to protect against fires caused by arcing faults in the home electrical wiring. The AFCI circuitry continuously monitors the current and discriminates between normal and …

An AFCI is a product that is designed to detect a wide range of arcing electrical faults to help reduce the electrical system from being an ignition source of a fire.

AFCI stands for Arc Fault Circuit Interrupter (aka AFDD = arc-fault detection device). It is a protective device used for protection against fire hazards caused by arc faults.

AFCI receptacles are designed to recognize an arc fault and quickly trip to stop the flow of electricity to prevent the electrical system from being an ignition source of a fire.

Oct 25, 2022 · We explain how an arc fault circuit breaker (AFCI) can prevent home fires as well as the NEC requirements for their use in residential homes.

An AFCI breaker provides a higher level of protection than a standard circuit breaker by detecting and removing the hazardous arcing condition before it becomes a fire hazard.

May 6, 2025 · Learn what AFCI protection is, how it helps prevent electrical fires, where it's required in your home, and how to know if you already have it.

Apr 14, 2025 · AFCI standards were introduced in the 1999 NEC (National Electrical Code) and are required in new dwelling construction and when installing, extending or updating new circuits in an …

Jan 14, 2024 · AFCI protection is not required on existing installations, but where a circuit is extended or updated during remodeling, it must then receive AFCI protection. Thus, an electrician who works on …

Jul 31, 2024 · What is an AFCI Circuit Breaker? An Arc Fault Circuit Interrupter (AFCI) is a specialized circuit breaker designed to detect and respond to dangerous electrical arcs that can cause fires.