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原来你是要问这个问题,
& e( j, }9 P3 R. g$ V5 f8 _请问你说的外观要求是指尺寸吗?如果是的话,肯定是有要求的. ) C! x) {. N- Y, ?7 M; W
根据UL 4980 d2 B. r+ H9 g9 w$ E7 Z- o6 w
18.2 The profiles of the blades employed in an attachment plug having a 1-15P, 2-15P, 2-20P, 5-15P,
5 M5 M/ n: v0 C3 a5 C5 O( o2 q0 v5-20P, 6-15P, or 6-20P configuration shall comply with the dimensional requirements of the Standard for
' _, f0 w" I. j2 U& oAttachment Plug Blades for Use in Cord Sets and Power-Supply Cords, UL 1659.( n: A2 N# A' I
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另外还有一本标准 UL 1681, 你可以看看,里面应该有具体的尺寸的. |
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