Available in 15 and 20 A models, Arc Fault Circuit Interrupter Receptacle protects against electrical fires by detecting arc faults and de-energizing circuit. Ground terminal back-wire speeds installation, while auto-ground clip assures positive ground to metal box. Featuring thermoplastic construction, receptacle is impact- and tamper-resistant with automatic shutter system that prevents children from inserting objects. Unit takes #14-10 AWG stranded or solid, copper, or copperclad conductors.