When pushed in all the way, the switch is turned off. When pulled to the first stop, the first circuit is activated. At the second stop the first circuit is deactivated and the second circuit is activated. 420410-1 Off Circuit 1Anchor Circuit 1Anchor Circuit 2Running Three Position One Circuit 420400-1 Off Circuit 1 3Anchor Circuit 2Running Three Position Two Circuit California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Switches Fas