电线电缆网 > 拉丝 绞线 退火 > 请问这个结构导体什么类别？是B、C、D类？（完整版）
请问这个结构导体什么类别？是B、C、D类？ - 无图版
152563355287 --- 2022-11-15 12:45:42
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大家好！请教大家一个问题，18AWG 束绞导体41/0.16裸铜丝 ，请问这个结构导体算什么类别？是B类、C类、D类或者其他类，导体电阻标准是多少？请问在哪里可以找到这个标准？谢谢！
615304295 --- 2022-11-15 14:36:45
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hekejiu --- 2022-11-15 14:53:52
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hekejiu --- 2022-11-15 14:54:23
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152563355287 --- 2022-11-16 10:40:14
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hekejiu:UL1581中的表30
您好！这个30.1指的是无镀层实心导体的最大直流电阻，我想知道我这个结构的导体类别和最大直流电阻，谢谢！
aliangh --- 2022-11-29 15:50:01
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以构造论 美规18AWG构造41/0.16 在ASTM B174里 是Class M
束绞导体ASTM B174
Class I: Cords and cables composed of No. 24 AWG (0.511mm)copper wires. Stationary service.
Class J: Cords and cables composed of No. 28 AWG (0.320mm)copper wires. Stationary service.
Class K: Cords and cables composed of No. 30 AWG (0.254mm)copper wires. Stationary service.
Class L: Cords and cables composed of No. 32 AWG (0.203mm)copper wires. Stationary service.
Class M: Cords and cables composed of No. 34 AWG (0.160mm)copper wires. Stationary service.
Class O: Cords and cables composed of No. 36 AWG (0.127mm)copper wires. Stationary service.
Class P: Cords and cables composed of No. 38 AWG (0.102mm)copper wires. Stationary service.
Class Q: Cords and cables composed of No. 40 AWG (0.079mm)copper wires. Stationary service.
mfdihswc --- 2023-03-10 16:21:49
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绞合裸铜导体 看UL1581 table 30.3
yzohin --- 2023-03-22 16:35:18
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