3PH 2.5mm2 Q Cable for 72 cell 2.0m landscape module pitch cables are 50% as light as the previous generation Enphase cables. They have four wires and thus suitable for three phase installs, are double isolated and easy to connect. The cables are, with 2.3m between connectors, used for landscape oriented PV modules, have a voltage rating of 600V and connector rating of 250V.