Insulated Aluminum Branch Earthing Clamp/Ground Clamp J10BD-50-240 to J10DL-50-300 pole accessories J10DL-50-300 series insulated earthing clamp is suitable for earthing connection on less than or equivalent 10KV overhead insulation cable transmission line as well as discharge connection on high voltage line. The conductor section matched are composed of 50-300mm2. J10BD-50-240 series insulated earthing clamp is equipped with inserted function of branch wire, similar to