GFCI Outlet/ Receptacle: All You Need To Know GFCI Outlet A ground fault circuit interrupter Outlet (GFCI outlet) is a protective device specifically designed to break the circuit every time there is an imbalance between incoming and outgoing current.The GFCI outlet protects electrical wiring from overheating and possible fire,greatly minimizing the risk of shock injuries and fatal burns. What is a GFI Outlet? Short for Ground Fault Circuit Interrupter, a GFI (also known as GFCI) is a type of electrical outlet designed to protect you and your family against electrical shock,fire,and/or fatal electrocution. Your GFCI outlet (receptacle) monitors the flow of current. A GFCI outlet runs about $15, such as this Levitron GFCI Outlet (available from Home Depot).An electrician will charge an additional $50 to $100 dollars per hour to replace outlets. A GFCI is an outlet or a device that interrupts the electrical supply to an electrical appliance and other outlets when there is a ground fault or irregularities in the current.GFI is another name used to refer to a GFCI; however,a GFI is only present at the outlet of the GFCI and not the panel.