Leviton 5031 Commercial Grade Duplex Receptacle

All power contacts are triple wipe for maximum conductivity and plug retention. Heavy-gauge, rust-resistant steel mounting strap. Shallow design for maximum wiring room in box. Large-head, triple-drive terminal screws, backed out and staked, accept No. 10 copper or copper-clad wire. Back-wiring clamps accept up to No. 10 copper or copper-clad wire. Convenient washer-type break-off plaster ears for best flush alignment. Captive mounting screws for fast installation. Break-off tabs on duplex receptacles for easy two-circuit conversion.