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.

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 …

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.

Arc-fault circuit interrupters (AFCIs) are special types of electrical receptacles or outlets and circuit breakers designed to detect and respond to potentially dangerous electrical arcs in home …

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.

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.

In this article series we define AFCI or arc fault circuit interrupter, we explain how AFCIs work, how to wire up and test an AFCI, and we discuss what goes wrong with AFCIs including …