The Gardner Bender 20/10 Amp Toggle Switch features an "O" ring and has screw terminals for quick-and-easy connections. The switch offers single-pole, single-throw (SPST) ON-OFF circuitry in a classic bat-handle design for easy usage. This switch is compatible with standard 1/2 inch. mounting holes. 6 Amp /120 Volt AC and 3 Amp /240 Volt AC