Wiska WSJA1 Straight Resin Joint 1.5mm-10mm. 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 even under the most adverse conditions. The Wiska WSJA1 Submarine Series Resin Joint is suitable for use with 0.6 – 1kV single and multicore cables up to 5 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 resin, a direct injection casting system for pre-mixed resin, a modular phase separator, a 5-pole terminal block, earthing braid, and constant force roll springs. Terminals/Poles: 1.5 – 10mm².