... dry or moist conditions indoors2.Copper Conductor Solid Polyolefin Insulation Self-supporting & Moisture Barrier Polyethylene Sheathed Indoor Communication ... copper wire,diameter of copper wire:0.32,0.40,0.50,0.63,0.70,0.90mm Insulation:polyethlene ... polypropylene,color standard based on whole chromatogram.Insulation wire pairs:wring the single insulation single wires into pairs according to different ...