The Eaton AH1995W 20-Amp 120/277-volt industrial grade three position toggle switch insures quiet switch action. Maintained and momentary contact switches establish circuit contact in either up or down "on" positions; center position "off." color-coded faces identify amperage: blue=15 Amp, red=20 Amp, green=30 Amp. Automatic Grounding system eliminates need for Bonding jumper in grounded metal enclosure. Back and side wire terminals accept up to no. 10 solid or stranded wire. Ground screw Terminal standard. 0.050 inch (1.27mm) thick steel mounting strap zinc-plated for corrosion resistance. 120/277V/AC rating ideal for fluorescent lighting fixtures typical in commercial applications. Combination slot/Phillips head mounting and Terminal screws ease installation (slot/Robertson screws in Canada where available).