ANCOR Duplex Cables are made to surpass the highest UL Boat Cable standards with ultra flexible (Type 3/Class K) stranding to resist fatigue due to vibration and flexing. Outer jacket is made for easy removal and provides the best abrasion resistance . ANCOR s proprietary premium vinyl insulation stays flexible even in extreme cold and resists salt water battery acid oil gasoline and ultra-violet radiation. Exclusive insulation is rated at 600 volts 105 C dry and 75 C Inner conductors are correctly color-coded to ABYC standards.