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Home Inspection

Category - Analysis & Reporting

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Which of the following statements is true about an arc fault circuit interrupter (AFCI)?

There is no such thing.
It works just like a GFCI.
It cuts off power after identifying arcing in wiring.
It opens electrical circuits after detecting arcing in the electrical system.

Explanation

Answer: C - An arc fault circuit interrupter (AFCI) cuts off power after identifying arcing in wiring. Arc faults are the primary cause of fires started by electrical wiring. An AFCI looks similar to a GFCI but works in a different way. AFCIs are able to identify dangerous arcs and prevent fires in the home.

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