The connection cable 24 V is used to connect up to six 24 V irrigation valves to the Comfort 4040 modular watering control and the 2040 extension module as well as to the Classic Irrigation Controls 4030 and 6030. The maximum cable length is 30 meters, the maximum voltage 30 V. The connection cable 24 V is 15 meters long and has a cable cross-section of 7x0.5 mm.