Ancor Marine Grade ™ cable are designed for the harsh marine environment. Their tinned copper construction protects against corrosion and electrolysis while providing the most reliable conductivity. Ancor Marine Grade wire products are the longest lasting and most rugged, exceeding UL 1426, ABYC and US Coast Guard Charter boat (CFR Title 46) standards. They are constructed with premium vinyl insulation that is rated at 600 volts, 105 Degree Celsius dry and 75 Degree Celsius wet, stays flexible even in extreme cold and resists salt water, battery acid, oil, gasoline, heat, abrasion and ultra-violet radiation.