... power cableYJAY (YJLAY)Cu(Al) conductor, XLPE insulation, metal-plastic tape sheath,PE outer sheath power cable.Note: According to the requirements of ... clean condition, making insulation inpurities, cavities and protrusions minimim.3. The production line is also equipped with fore-preheater and ... rapidly, then prevent water from entering longitudinally along the cable. 66~500 kV high voltage cable