The power cord is composed of outer sheath, inner sheath and metal wire. The metal wire as the core accessory plays an extremely important role. It can also be said that there is no metal wire, no current will flow, and the entire power cord will be in a decorative state. There is no doubt about the importance of metal wire, and copper wire is the most common variety of power cord conductors, so which copper wire can be widely used in power cords?

　　 Semi-hard copper wire is one of them. The characteristic of semi-hard copper wire is a combination of the characteristics of hard copper wire and soft copper wire. Hard copper wire has high tensile strength, while soft copper wire has good flexibility and flexibility. The semi-hard copper wire, which combines the performance of the two copper wires, not only has good tensile strength, but also has a certain degree of flexibility and flexibility, and is widely used in the binding of overhead wires and the wiring of radios.

　　The cross-section of rectangular copper wire is different from that of ordinary copper wire. The common cross-section of copper wire is round, but the cross-section of rectangular copper wire is square or rectangular. Therefore, it becomes a good raw material for manufacturing induction coils such as large transformers or large motors.

　　Copper clad steel will also be made into wires. Generally, copper-clad steel is suitable for signal transmission through coaxial cable, such as the connection of TV and VCD, outdoor TV antenna, etc. Because of the environmental requirements of installation, the tensile strength of general copper clad steel wire is relatively high, and it can be overhead in high mountains and other areas.

　　 Alloy copper is composed of copper and other metal materials, and is generally used in special industries. Some industries have very high requirements for conductors. The properties of copper alone are suitable for its application. Therefore, a certain amount of other metal elements will be mixed in the production to make it suitable for use in special fields.

　　 The above copper wires are important raw materials for conductors. Manufacturers can choose different copper wires as raw materials according to different needs, so that the produced power cords can meet the needs of consumers.

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