Leviton 102-05801-WSP 20-Amp 125-Volt Single Receptacle Electrical Power Outlet, White All power contacts are triple wipe for maximum conductivity and plug retention Large-head terminals screws are backed out and staked to accept No. 10 copper or copper-clad wire Built with a heavy-gauge, rust-resistant steel mounting strap Shallow design for maximum wiring room in box Built with captive mounting screws for fast installation