Wiska WSJA4 Straight Resin Joint up to 50mm. Since their inception in Hamburg over 100 years ago, Wiska has developed innovative and high-quality products for a wide range of industrial applications. With a focus on environmental sustainability, Wiska creates reliable and versatile products designed to operate effectively under adverse conditions. The Wiska WSJA4 Submarine Series Resin Joint is suitable for use with 0.6 – 1kV single and multicore cables up to 4 cores. This product offers excellent electrical insulation and mechanical strength, making it suitable for overhead, underground, and underwater applications. The kit includes 2 transparent half-shells, 2 component resins, a direct injection casting system for injecting pre-mixed resin inside the joint, a modular phase separator, 4 insulated crimp connectors, earthing braid, and constant force roll springs. Terminals/Poles: 50mm²