Leviton M1221-WL Lev-Lok Modular Extra Heavy Duty Specification Grade Single-Pole Toggle Switch, 20A, White Modular wiring device  requires mating wiring module for installation Heavy gauge galvanized steel mounting strap with self-grounding clip for reliable connection Color-coded covers: 15 amp-blue, 20 amp-red for easy circuit identification High-impact strength and withstands elevated operating temperatures