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.