GFCI vs AFCI: What They Do and Where You Need Them

A GFCI (ground fault circuit interrupter) senses current leaking to ground and shuts off power in a fraction of a second, protecting people from shock. It is used near water: bathrooms, kitchens, garages, basements, laundry areas and outdoors.

An AFCI (arc fault circuit interrupter) senses dangerous arcing in a wire and shuts the circuit off, reducing fire risk. It is used on circuits serving living areas and bedrooms, and requirements have expanded in newer code editions.

Where each is required

The national electrical code sets minimums, but each municipality adopts a specific edition and may amend it. For a renovation or replacement, ask your electrician or the village building department what applies. Do not assume an older home already has this protection.

Testing

Press TEST and RESET on GFCI outlets monthly. AFCI and combination breakers also have a test button.

FAQ

Can one device do both?

Yes, dual-function breakers do.

My GFCI keeps tripping. Why?

Moisture, a failing appliance or a worn device. Have it checked.

Want us to check the protection in your home? Call Miron Electricians at 224-305-7329 or request a quote.

Disclaimer: This article is general information only and is not professional advice. Electrical conditions and local code requirements vary, and electrical work can be dangerous. Miron Electricians is not responsible for any action taken or not taken based on this article. For advice about your own home or business, have a qualified electrician inspect it. Call Miron Electricians at 224-305-7329 to schedule an inspection or request a quote.