Wicket Switch Safety Sensor (Edison/Fremont)This wicket switch is essential for bypass applications with the Edison opener base. Its a dry contact sensor for low volt electrical systems. Placed on the rocker arm, it signals for only one door to open at a time, until the other door closes. This way the doors will not cross over each other. Two of these wicket switches are required for bypass door configurations. To open to pedestrian traffic when walking up to a single door, select one wicket