Leviton GFTR1-HGW 15A-125V Extra-Heavy Duty Hospital Grade Tamper-Resistant Duplex Self-Test GFCI Receptacle, 15-Amp, White Wraparound Steel strap provides superior structural Integrity, especially in hard-use environments Dual function status indicator light provides simple, intuitive feedback on power and protection status as well as correct wiring Line terminal clamps initially held open to expedite first time wiring Back & side wire (external back wire clamps) Tamper-resistant shutters