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ASTM | Standard Specification for Soft Rectangular and Square Bare Copper Wire for Electrical Conductors

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This specification covers soft or annealed bare copper wire, rectangular or square in shape with rounded corners. For the purpose of this specification, the wire shall be classified as Type A and Type B. The wire shall be annealed after the last drawing or rolling to size and shape, and shall be processed as to produce a uniformly soft product with a clean surface. The finished wire shall not contain joints except such as have passed through drawing dies. 



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