1 Single pole switch with one 3 way switch. 120/277 V/AC rating ideal for fluorescent lighting fixtures and a broad variety of applications. The toggle top and back-body are made of thermoplastic, a durable material. Automatic grounding system eliminates the need for bonding jumper in grounded metal enclosure and provides redundant measure of ground continuity where a jumper is used. Steel-mounting strap is zinc-plated for added corrosion resistance. Back-wire clamps on side terminals provide for easy installation of #12 and #14 AWG wire. Terminal screws are backed out and ready for wiring to enhance ease of installation. Tri-combo screw heads offer greater installation flexibility. Back and side wire