A ground fault circuit interrupter (GFCI) is a safety device designed to protect individuals from electrical shock. A specific type, rated at 20 amps, can be readily obtained from a major home improvement retailer. These devices monitor the current flowing into and out of a circuit; if a discrepancy is detected, indicating current leakage (a ground fault), the GFCI rapidly cuts off power to the circuit. An example of its application is in a kitchen circuit where multiple appliances might be connected.
The significance of utilizing such a device lies in its potential to prevent serious injury or even death. Its incorporation into electrical systems offers enhanced safety, particularly in areas prone to moisture or where electrical devices are in close proximity to water sources. Historically, GFCI protection was not widely implemented; however, modern electrical codes increasingly mandate their installation in areas like bathrooms, kitchens, and outdoor locations to minimize electrical hazards.