... Al) conductor, XLPE insulation, corrugated aluminium sheath, PE outer sheath power cableYJLW02Z (YJLLW02)ZCu(Al) conductor, XLPE insulation, corrugated aluminium ... sheath, PVC outer sheath and longitudinal water proof power cableYJLW03Z (YJLLW03)ZCu(Al) conductor, XLPE insulation, corrugated aluminium ... from entering longitudinally along the cable. 66~500 kV high voltage cable