Commercial Grade Tamper Resistant Nylon Duplex Receptacle. Shutter Mechanism Inside The Receptacle Blocks Access to The Contacts Unless A 2-Prong Plug Is Inserted, Helping to Ensure Objects Such As Hairpins and Keys Will Be Locked Out. Shallow Design For Maximum Wiring Room In Box. Side Wired, Large-Head Terminal Screws, and Back-Wiring Clamps Accept Up to No. 10 Copper Wire. Triple Wire Power Contacts For Maximum Conductivity and Plug Retention. Captive Mounting Screws For Fast Installation. Convenient Washer-Type Break-Off Plaster Ears For Best Flush Alignment. Break-Off Tabs For Easy 2-Circuit Conversion. Heavy-Gauge Rust-Resistant Steel Mounting Strap. Limited 2 Year Warranty. Ul (Underwriter's Laboratories) Listed. White.