With the pulley set, the pull contact is always accessible, even for people lying down. This complies with the requirements of the Dutch standard NEN 1814 for equipping disabled toilets with the emergency call set.
The set is designed for a circuit length of up to 20 meters. From the pull switch, the pull cord is guided around the room via block and bird rollers. The end is the tension spring with the eyebolt. The installation height for the pull cord is 0.40 m above the floor.