Decorator 3way Switch Back & Side Wire 20amp 120/277volt. FEATURES AND BENEFITS:• Impact-resistant polycarbonate back body and frame. • Cushioned thermoplastic paddle assures smooth, quiet, long term operation. • Unique single rocking butterfly contact provides long term consistent performance with significantly fewer moving parts. • Internal screw-pressure-plate back and side wire capability for easy installation with #14 - #10 stranded or solid copper/copper clad wire. • Terminals made of high conductivity brass and serrated for maximum wire gripping. • Silver alloy contacts integrally formed to the butterfly actuator assures reliable performance. • Integral auto-ground clip for positive ground to metal boxes. • Tri-drive ground, terminal, and mounting screws. • All terminal screws backed out, ready-to-install.