... install 1, Product Name :High Voltage Underground Cable Accessory for Cable Joint 2, Product Introduction Rated voltage 48/66KV,56/77KV ... ,64/110KV,76/132(138)KV Straight joint and insulation joint ,the shell is made of high-strength copper ... . 3 ,Product Characteristics1) The joint has compact structure,easy to installation ,long creeping distance for rubber insulation unit,large design allowance ...