PASS & SEYMOUR PS20AC4BK 20Amp 120/277V Industrial Extra Heavy-Duty Specification Grade Switch, Black

20Amp 120/277V Industrial Extra Heavy-Duty Specification Grade Switch.FEATURES AND BENEFITS: • External screw-pressure-plate back and side wired. Accepts #14 - #10 AWG copper or copper-clad conductors. • Heavy-gauge one-piece copper alloy contact arm virtually eliminates contact bounce. • Cam controls fast "make" and positive "break" to minimize arcing. • Heavy-duty bumper pads for quiet operation. • High strength thermoplastic polycarbonate toggle. • Back body made of glass-reinforced nylon. • Locking support provides resistance to face and back body separation. • Oversized silver alloy contacts for long life and better heat dissipation. • Grounding terminal is standard. • Shallow design for ease of istallation. • Strap nickel-plated steel with integral ground. • Auto-ground clip assures positive ground.