Corrosion resistant plated-steel mounting strap, durable nylon faces and triple-wipe power contacts combine with tamper resistant shutters to deliver safe and reliable performance. Tamper resistant feature helps you comply with 2014 NEC® Article 406.12 and get the job done right. Screw pressure-plate back wiring ensures easy installation and excellent electrical connections. These UL listed receptacles are ideal for residential, multi-dwelling, commercial office and hospitality applications.