WISKA Submarine Cast Resin Waterproof Joints for Armoured or Unarmoured Cables\r\n- Submarine Cast Resin Joint c/w 4 insulated crimp connectors and earthing kit, Suitable for 35mm 4 core.- Submarine Straight Series allowing jointing of .6/1 kV single and multicore cables up to four cores.- Available with final solid-state (green) and re-enterable resin (yellow).- Excellent electrical insulation and mechanical strength.