Waterproof cables have radial and longitudinal waterproof and water-resistant properties; Can work normally under water depth conditions of 0-300 meters; Has special properties such as cold resistance (-40 ℃ -80 ℃), UV resistance, acid and alkali resistance, multi-core composite twisting, weather resistance, UV aging resistance, flexibility, wear resistance, tensile strength, oil resistance, etc; Common specifications include 1.2mm ² 3+6, 1.5mm ² 3+6, 2.0mm ² 3+7, 4.0mm ² 3+7. UL authorized models include UL2517, UL2661, UL2464, UL20464, UL20167, UL20427, UL2509, etc. Waterproof cables are suitable for power assisted bicycle motor control and connection lines, submersible motor lead wires, marine exploration, seabed exploration, submersible pumps, metallurgy, underwater work, underwater landscape lights and other water treatment equipment. They have been widely used in underwater exploration, metallurgy, power, ships, ports, petroleum exploration, mining and other working conditions.