AFCIs stand for arc-fault circuit interrupters, and they protect you from electrical dangers, but of a different variety – those that create heat via arcing. Examples include a rodent chewing on a wire, driving a nail through a wire, or a device overheating where it is plugged into the wall. AFCIs detect this arcing, shutting down outlets before damage can occur. They are not found in wall receptacles like GFCIs, but instead are easily incorporated into your home or business’ main service panel in the form of specialized circuit breakers. AFCIs are required in:
Though you may have an older home or business where building codes do not require these outlets, proper home safety does. Regular outlets and circuit breakers are designed to protect the house's electrical system, not people. With these devices being so easy and inexpensive to install, why wouldn’t you want to protect yourself and others from the unnecessary electrical hazards overlooking them presents?
As of 2014, the National Electric Code (NEC), the nation’s singular code for safe electrical installation, has added the following standards for the safety of your home or business:
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