RR Kabel Superex-FR 1 Sq mm Green PVC Insulated Cable is a low tension cable that is perfect for use in a variety of settings. This cable is made with a green PVC insulation that makes it easy to identify and easy to work with. RR Kabel's Superex-FR low tension cable is a high quality product that is perfect for use in a variety of settings. It is made with a green casing and features a single core.