Leviton 5334 20 Amp, 120/277 Volt, Duplex Style Single-Pole / Single-Pole AC Combination Switch, Commercial Grade, Brown AC quiet switches have silver alloy contacts and receptacles have double-wire contacts for maximum conductivity All devices have a grounding screw Terminal screws accept up to No. 12 AWG copper or copper-clad wire Fits standard wallboxes Break-off tabs on devices with switches permit conversion to separate feeds