Industrial Grade Toggle Switches Canadian design cam action mechanism insures quiet switch action. Automatic grounding system eliminates need for bonding jumper in grounded metal enclosure. Tapered lead-in slots on back wiring holes assist in gathering stranded wires for faster, more secure connections. Back and side wire terminals accept up to #10 solid or stranded wire. Ground screw terminal standard. 0.050" (1.27mm) thick steel mounting strap zinc-plated for corrosion resistance. Combination slot/Robertson head mounting and terminal screws ease installation.