<p> A rocker switch is based on the back-and-forth action, wherein one end rises while depressing the other. This leads to one side of the switch being on and turning the other side off. The markings used to denote on and off are "1" and "0" respectively. The Honeywell AML34FBA4AC01 rocker switch is used in a wide variety of applications including agricultural machinery, construction equipment, process control and medical instrumentation.</p> <p> AML34FBA4AC01 Rocker Switch from Honeywell features same circuitry and electrical rating as power duty paddle switches, and Neon lamp circuitry that can be isolated. This Honeywell switch also has CSA certification and UL recognition.</p>