ASPIRE™ tamper-resistant duplex receptacles have an oversized strap that provides a solid base for mounting and virtually eliminates floating installations. A host of installer friendly features not only save labor but ensure firm connections and dependable service. Tamper-resistant receptacles provide compliance with 2011 NEC® Article 406.12 that states that all receptacles installed in dwelling units must be tamper-resistant. Durable impact-resistant thermoplastic face and back body is virtually unbreakable. TR designation provides visual identification.