Leviton 3031-2 30 Amp, 120/277 Volt, Toggle Single-Pole AC Quiet Switch, Extra Heavy Duty Grade, Self Grounding, Brown Top-of-the-Line Industrial Quality Heavy Gauge Copper Alloy One-Piece Arm for Top Performance Large Silver Cadmium-Oxide Contacts for Long Life, Prevent Sticking, Welding and Excessive Pitting Fully Enclosed Switch Mechanism in Rugged Housing for Strength, Track and Arc Resistance Brass Combination-Head Terminal Screws on Extra Heavy-Duty Devices, Steel Combination Head Terminal Screws on Other Devices