卡塔尔世界杯官方

技术文档

技术文档




FEB

What is power cable?

Data: 11 Feb, 2014

Medium𝔍 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


FEB

What is Electrical cables?

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 wi🐠res that are more flexible than solid



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