20Amp 125V Heavy-Duty Hospital Grade Duplex Receptacle - Back & Side Wire.FEATURES AND BENEFITS: • Heavy-duty, brass strap for added strength and ground conductivity. • .032 inch thick, brass, triple-wipe power contacts for lasting retention. • Strap tabs wrap around face to prevent strap from separating from face and back body. • Easily accessed break-off, line-contact connecting tab for fast, easy split-circuit wiring. • Two drive screws anchor strap to back body and face. • Tri-drive brass terminal screws. • Internal screw-presure-plate back and side wire capability. • Two back wire holes for more wiring flexibility. • Auto-ground clip assures positive ground.