... insulation property and so on.Specifications and features of distribution box: 1) High impact resistance material 2) Transparent covering available3) ... ) Plenty of space for smooth and easy wiring5) Single or double deck6) Range: 4, 6, 8, 10, 12, 15, 18, 24 ... are available for the installation of terminal substitution rail, button box, small terminal, sigal, relay and sensor, communication and joint ...