1.ROHS cetification 2.jelly filled telephone cables 3.2,4,6,8 cores 4.Copper or CCS conductor 5.underground telephone cable Formation: Tinned or bare, stranded or solid copper wire, two to ten conductors. Color-coded PP or FR-PP insulation, Cores are laid parallel forming a flat cable. Color-coded PVC jacket. Telephone handset cord or line cord.2,4,6,8 cores telephone cable , flat , white ,black ...