2625LA. SW DEC 1P ILL 20A 120V GROUNDED LA . Impact-resistant polycarb 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. .