Tamper-Resistant Hard Use Spec Grade Duplex Receptacle Back & Side Wire 15amp 125volt.FEATURES AND BENEFITS:•  RoHS Compliant•  Dual mechanical shutter system to help prevent insertion of foreign objects.•  Auto-ground clip assures positive ground.•  Easily accessed break-off line-contact connecting tab for fast and easy split-circuit wiring.•  Backed-out tri-drive brass terminal screws for faster installation.•  Internal screw-pressure-plate back and side wire capability.•  Two back wire holes for additional wiring flexibility.•  Corrosion-resistant plated steel strap is locked in to face and back body to resist pulling away from the face/body assembly.•  .032 inch thick brass triple-wipe power contacts.•  Two drive screws anchor steel strap to back body and face where abrupt removal torque is greatest.