Jacket is water, sunlight and oil resistant, flame-retardant Chlorinated Polyethylene (CPE). Use for motor leads, portable lights, battery chargers, portable stage lights and portable machinery. jacket is Water, sunlight and oil resistant, flame-retardant Chlorinated Polyethylene (CPE). Insulation is Premium grade oil resistant Ethylene Propylene (EPDM). conductors are fully annealed stranded bare copper-class K stranding per ASTM B 174. Excellent abrasion, ozone, sunlight, chemical and oil resistance and water resistant with superior flexibility. The Coleman Cable brand is a registered trademark of Coleman Cable Inc.