Protects children: patented shutter system helps prevent improper insertion of foreign objects. Meets National Electrical Code® Tamper Resistant requirement. High-impact-resistant thermoplastic construction with tri-drive terminal screws. Conducts an automatic test every three seconds, ensuring it’s always ready to protect. If the device fails the test, the indicator light flashes to signal that the GFCI should be replaced. It also has our proven SafeLock® Protection feature: if critical components are damaged and protection is lost, power to the receptacle is disconnected. Specifications: UPC: 78500718153 Color: White Wiring: Back/Side Grade: Specification Approval: UL (Canada and US), UL 498/1310, CSA C22.2 Type: Duplex, (1) USB Type A/C Charger Constructional Feature: Tamper Resistant Configuration: 5-15R Voltage Rating: 125 Volt Current Rating: 15 Amp Ground Type: Auto-Grounding Material: Polycarbonate (Face), Nylon (Body) Additional Information: RoHS Compliant; Overall Dimension 1.693 Inch Width x 1.452 Inch Depth x 3.28 Inch Height; Dielectric Voltage Rating 1500 Volt; Wire Size 14 to 10 AWG (Stranded/Solid Copper); Material CDA 260 Brass (Contact), 0.049 Inch Zinc Plated Steel (Mounting Strap),