Construction:1. Conductor : Concentric Stranded annealed copper wires2. Insulation : Polyvinyl chloride (PVC), Black colorIdentification : Printed White number on the surface of Black insulation3. Filler : Non-hygroscopic material4. Binding tape : Non-hygroscopic material5. Sheath : Polyvinyl chloride (PVC), Black color Application:For supervisory electrical equipment, station control circuits, outdoor, suitable installation in dry or wet cable trenches.