Harmonized rubber cable in accordance with HD 22.4 which also meets the requirements of standards HD 22.12 for HO& BN4-F (heat resistant EPR cords and flexible cables) as well as HD 22.16 HO7 RN8-F (water resistant polychloroprene (also sometimes referred to as neoprene) or equivalent synthetic elastomer cables). Flexible copper conductor acc. to IEC 60228 class 5. EPR insulation acc. to HD 22. Elastomeric outer sheath acc. to HD 22.