What does AFCI stand for?

AFCI stands for Arc Fault Circuit Interrupter. This device is essential in residential wiring because it is specifically designed to detect arc faults, which are unintended electrical discharges that can occur in faulty wiring or electrical devices. These arc faults can lead to electrical fires, making AFCIs crucial for enhancing safety in homes.

AFCIs work by monitoring the electrical circuit for abnormal patterns of current that indicate an arcing condition. When such a condition is detected, the AFCI quickly interrupts the flow of electricity, helping to prevent potential fires caused by ignition from arcing. This technology is particularly important in areas where fires are more likely to start, such as bedrooms and living rooms, as per the National Electrical Code (NEC) requirements.

Understanding the function of an AFCI and its role in fire prevention underscores the importance of proper residential wiring practices, ensuring that homes are equipped with adequate safety mechanisms against electrical hazards.