What is copper stranded wire?
Other names of stranded copper wire are grounded stranded copper wire and bare stranded copper wire. At the same time, copper stranded wire has soft and hard points. Copper can conduct electricity. Similarly, the copper stranded wire here has the same function. It can be divided into soft and hard. Hard copper stranded wires are generally used as carrier cables, while soft copper stranded wires are used as submarine cables.
Specification of copper stranded wire: The specifications of soft copper stranded wire are 15-7φ 5, 12-7φ 5, 9-7φ 5, etc. Take 15-7φ 5 as an example, 5 means steel wire with nominal diameter of 1.7mm, 7φ 5 means seven such steel wires form a steel strand, and 15 means 15 such steel strands form a bundle of reinforcing bars. The general meaning is that "a bundle consists of 15 7 wires (total diameter
