... solid polyolefin insulated, jelly filled, aluminium and plastic composite sheathed, local communication cable.HYPA - copper conductor skin ... /foam/skin polyoiefin insulated, aluminium and plaster composite sheathed, local communication cable.HYPAT - Copper conductor, ... plolyolefin insulated, jelly filled, aluminium and plastic composite sheathed, local communication cable.HYAC - copper conductor solid ...