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UL电源线中绞合导体单根直径最大、最小都有规定
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' }8 ~8 f! u5 l- x `1 I. i以前做电子线都是按照公司规定的组合去做,今天看标准时,想了这个问题,电子线绞合导体中单根铜丝直径大小有无规定?
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( ~! [6 s+ A8 e6 [; B+ H在UL 758中有写到这方面内容,但在PAGE页上,具体的型号没有用哪种导体,所以比较迷惑,希望大家讨论或帮忙解答,谢!
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# W1 b% z3 o9 h6 f6 _5.2 Metal" i* m. N- W2 d" b' O
5.2.1 A solid or stranded conductor shall not be used where subjected to any temperature that exceeds9 G, U6 M1 k! n9 X$ z
that shown for the metal as indicated in the third column of Table 5.2. The metal shall comply with the" T8 |4 r [, u/ W. W7 p( L0 x
applicable ASTM specification, when specified, as indicated in Table 5.2.4 r# _1 `1 R) G. {) E' c$ U% V
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ANSI/ASTM B 3,ANSI/ASTM B 33等在PAGE页中找不到相关字样 |
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