Leviton MGFN2-I Lev-Lok Modular Wiring Device 20A-125V Extra-Heavy Duty Industrial Grade Non-Tamper-Resistant Duplex Self-Test GFCI Receptacle, Ivory Mating wiring module sold separately Modular Wiring Device  Requires Mating Wiring Module for Installation 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) Industry exclusive modular GFCI with feed-through terminals for downstream protection