Tamper-Resistant Hospital Grade Duplex Receptacle Back & Side Wire 20amp 125volt.FEATURES AND BENEFITS:•  RoHS Compliant•  Thermoplastic dual mechanism shutter system to help prevent insertion of foreign objects.•  Exclusive patented feature, circuit label on face allows permanent circuit identification.•  Extra heavy-duty brass, one-piece mounting strap with integral ground.•  One-piece, nickel-plated brass, triple-wipe power contacts for lasting retention.•  Strap tabs wrap around and lock down on face to prevent strap from separating from face and back body.•  Impact-resistant nylon 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.•  Exclusive patented feature, external screw-pressure-plate back wire clamp on ground terminal for faster, easier installation.•  External screw-pressure-plate back wire clamps with #10 brass terminal screws for visual assurance of a good connection.•  Auto-ground clip assures positive ground.