The controller plugs into the driver which is a blue anodized aluminum computer box in line on all of our electronic type pumps. The cord is about 3ft long, their are 2 cords- one labeled master and one labeled slave and depending on program the slave cable connects to a multicontroller or to a wavebox extension. The driver is 16ft of cable away from the pump and 6 ft of cable from the wall outlet, the transformer has 6 ft of cable and the driver is between the pump and transformer. The controller connects with 5 pin DIN plugs to the driver.