Wiska WSJA1 Submarine Cast Resin Joint\r\n- Submarine Cast Resin Joint c/w 1 x 5 pole Insulated terminal block and earthing kit, Suitable for 1.5-10mm 4 core.- Submarine Straight Series allowing jointing of .6/1 kV single and multicore cables up to five cores.- Excellent electrical insulation and mechanical strength.- Available with final solid-state (green) and re-enterable resin (yellow).