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原来你是要问这个问题,& P& M- e! G* X# L) R
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. 6 X* a6 {6 b" V+ H/ M
根据UL 498( U! Y' D/ _5 E( T+ s. T
18.2 The profiles of the blades employed in an attachment plug having a 1-15P, 2-15P, 2-20P, 5-15P,
+ l+ k" ]5 r8 k& X% J P1 q5-20P, 6-15P, or 6-20P configuration shall comply with the dimensional requirements of the Standard for
- V5 d0 @! x$ k0 @6 j# ~1 HAttachment Plug Blades for Use in Cord Sets and Power-Supply Cords, UL 1659.
$ F8 O+ v9 U+ E5 D3 z# p7 i' v# `# ?9 _7 B' C' [
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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