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原来你是要问这个问题,
; ~$ O2 d+ n$ ?1 @5 X. D" P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.
/ T# f, E9 b( T: `$ c2 b9 k, u根据UL 498" r' h' @) |: l: z3 j. b9 k5 A
18.2 The profiles of the blades employed in an attachment plug having a 1-15P, 2-15P, 2-20P, 5-15P,
/ J6 J$ x0 h4 \$ Q+ d9 p+ |; s' M3 X: }- V5-20P, 6-15P, or 6-20P configuration shall comply with the dimensional requirements of the Standard for* M, ~! O! v# s! K. T2 g/ ~
Attachment Plug Blades for Use in Cord Sets and Power-Supply Cords, UL 1659.
% l; T3 D( T- R6 _; {, ?0 n. a5 z
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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