Leviton TWR20-W 20-Amp 125-Volt NEMA 5-20R, 2P, 3W, Duplex Receptacle, White Large-head terminal screws, backed out and staked, accept No. 10 copper or copper-clad wire Heavy-Duty brass power contacts for maximum conductivity and plug retention Shallow design for maximum wiring room in box Convenient washer-type break-off plaster ears for best flush alignment Captive mounting screws for fast installation where applicable