Detailed product description Overhead insulated cable is suitable for overhead power transmission and distribution lines with rated ac voltage 1kv-35kv Overhead insulated cable is used for overhead power transmission and distribution lines with the voltage from 1kv-35kv.Also can be installed in the street with dense trees close to the building site of urban construction. It consists of copper or aluminum conductor, inner shidleing layer, weather-poof indulation material and outer shidleing layer.It has not only power-transmitting chatacter of power cable, but strong mechanical chatacter of aeria; cable as well, in compaison with bare, it boasts many advantages such as small span in laying the initiative to choose to use. Drum.