Why do most wires and cables use copper as the core?
Release time:
2023-11-17
Why do most wires and cables use copper as the core? Because copper ranks second among all non-ferrous metals in terms of conductivity, the copper content in cables cannot be lower than 99.5%. Why not use silver with the highest conductivity to make wire cores? Mainly due to the high cost, low toughness, and easy breakage of silver. In addition to copper, aluminum is also a commonly used cable material. Aluminum has low cost and light weight, but has drawbacks such as oxidation. Therefore, long-distance overhead transmission of aluminum wire is more suitable. For copper wire, it carries a larger current. Therefore, when engineering scenarios require it, it is best to choose copper wire as the conductor.
Why do most wires and cables use copper as the core? Because copper ranks second among all non-ferrous metals in terms of conductivity, the copper content in cables cannot be lower than 99.5%. Why not use silver with the highest conductivity to make wire cores? Mainly due to the high cost, low toughness, and easy breakage of silver. In addition to copper, aluminum is also a commonly used cable material. Aluminum has low cost and light weight, but has drawbacks such as oxidation. Therefore, long-distance overhead transmission of aluminum wire is more suitable. For copper wire, it carries a larger current. Therefore, when engineering scenarios require it, it is best to choose copper wire as the conductor.
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