Extra Heavy-Duty Hospital Grade LED Illuminated Face Duplex Receptacle Back & Side Wire 20amp 125volt Gray Certifications: cULus Listed - Features: One-piece nickel-plated brass mounting strap with integral ground.; Strap tabs wrap around and lock down on face to prevent strap from separating from face and back body.; Two drive screws anchor strap to back body and face.; Exclusive patented feature, circuit label on face allows permanent circuit identification.; .040 inch thick, nickel-plated brass, triple-wipe power contacts for lasting retention.; Easily accessed break-off, line-contact connecting tab for fast, easy split-circuit wiring.; Impact-resistant nylon face and back body.; Oversized #10 deep tri-drive head brass terminal and ground screws.; Exclusive patented feature, external screw-pressure-plate back wire clamp on ground terminal for faster, easier installation.; External nickel-plated screw-presure-plate back wire clamps with #10 brass terminal screws for visual assurance of a good connection.; Line terminals accept #14 - #10 AWG stranded or solid copper-clad conductors.; Auto-ground clip assures positive ground.; Illuminated version features exclusive LED lamp with solder connection for long durable life (10-12 years).; For covering patents, see www.legrand.us/patents.; For compatible wall plate options, from our TradeMaster unbreakable plates to our radiant screwless plates to our metal wall plates, click here.; Temperature Rise: Maximum 30±C temperature rise at full-rated current after 50 cycles of overload at 150% of rated current with direct current. Operating Temperature: Maximum continuous +60±C, minimum -40±C without impact