Leviton 1121-2I Ivory Industrial Grade Single Pole Toggle Light Switch 20A Rugged construction for trouble-free service in industrial environments Heavy-gauge copper alloy one-piece arm for smooth, quiet, firm toggle action Large silver cadmium-oxide contacts for long life, prevent sticking, welding and excessive pitting Large head, deep-slotted terminal screws for fast, easy wiring; accept up to #10 copper and copperclad wire Self-grounding clip (self-grounding when used with a properly grounded metal wallbox)