Voltage 2KV Construction Sino cables type DLO are manufactured with stranded tinned annealed copper. A paper or polyester tape separates the conductor from the EPDM rubber insulation to aid in stripping. A black, heavy duty CPE sunlight resistant jacket is extruded over the insulation. Standard UL44, CSA C22.2 NO. 38ASTMB3,ICEAS-68-516,NEMA WC-8, or other standards required by customers.