请问这个结构导体什么类别?是B、C、D类? - 简版

152563355287
楼主
2022-11-15 12:45:42

    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
1 楼
2022-11-15 14:36:45
看见“AWG”三个字母第一反应就是美标,但是哪个美标就要去查了,标准号记不住啊
hekejiu
2 楼
2022-11-15 14:53:52
hekejiu
3 楼
2022-11-15 14:54:23
UL1581中的表30
152563355287
4 楼
2022-11-16 10:40:14
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
5 楼
2022-11-29 15:50:01

以构造论 美规18AWG构造41/0.16 ASTM B174 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
6 楼
2023-03-10 16:21:49

绞合裸铜导体  看UL1581 table 30.3image.png

yzohin
7 楼
2023-03-22 16:35:18
美标ASTM标准中有说明