... Subway,Power station,Factory and Mine.It can be installed underground, in pipe, in trench or in tunnel.XLPE Cable not only ... power cableTo be laid indoors, in tunnel, cable furrow or pipe, the cable couldn't bear mechanical force outside YJYYJLYXLPE insulation ... , steel tape armor, PVC sheath power cable To be laid underground, the cable could bear certain mechanical force, but it couldn ...