FIRE FIRE REQUIRED BY NEC® REQUIRED BY NEC® SmartlockPro® Ground Fault Circuit Interrupter (GFCI) Outlets and Arc Fault Circuit Interrupter (AFCI) Outlets are important safety products that help protect against electrical shock and electrical fire hazards. HELPS PREVENT The SmartlockPro Dual Function AFCI/GFCI Outlet offers both technologies in one smart device. All meet National Electrical Code® (NEC®) requirements for a safer living environment and are importantFIRES to have in every home.