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                技术文档

                • 18
                  FEB
                  Data: 11 Feb, 2014
                  Medium and high-voltage power cables, in circuits over 2000 volts, will have a shield layer of copper or aluminum tape or conducting polymer. If an unshielded insulated cable is in contact with earth
                • 18
                  FEB
                  Data: 11 Feb, 2014
                  Electrical cables may be made more flexible by stranding the wires. In this process, smaller individual wires are twisted or braided together to produce larger wires that are more flexible than solid