Multicore overhead insulated cable with phase separating is marked

The utility model provides a multicore overhead insulated cable with phase separating is marked, includes a plurality of insulation core and sheath, its characterized in that: insulation core use and bear the weight of the steel core and strand the setting each other in the sheath as the centre of a circle, insulation core includes composite conductor and insulating layer, composite conductor is distributed in turn by aluminum stranded conductor and aluminium alloy stranded conductor and the transposition forms, the insulating layer includes the polyvinyl chloride layer and the outer crosslinked polyethylene layer of inlayer, and the crowded package of the surface on the crosslinked polyethylene layer in every insulation core has the phase separating vitta of many protrusions in the crosslinked polyethylene layer, the section of phase separating vitta is semi -circular, and the colour of the last phase separating vitta of insulation core is different, set up rock wool rope filling layer between the adjacent i