UL1082 Clause 2.2 什么意思？

EVERGREEN21

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2.2 A component is not required to comply with a specific requirement that:
& M9 y, D  ]& Q) ^4 Ga) Involves a feature or characteristic not required in the application of the component in the
product covered by this Standard; or
* a' v4 |+ I3 @5 m2 L, xb) Is superseded by a requirement in this Standard.
' A6 L/ ^7 o* M( k2 p. p1 b
中文版也看过，还是不明白， 特殊的要求是什么要求？谁能说说上面讲的是什么意思？

admin

引用第0楼EVERGREEN21于2010-10-15 09:52发表的 UL1082 Clause 2.2  什么意思？ :
! P, o# ]$ c/ U6 E! X/ P2.2 A component is not required to comply with a specific requirement that:
% x$ S" v( k8 |% Ka) Involves a feature or characteristic not required in the application of the component in the
product covered by this Standard; or
- f  |# n, M. ]2 [" P1 x- M4 h1 ?1 Jb) Is superseded by a requirement in this Standard.

& t) m8 ]1 W6 H( R$ S# d; ?8 S- n2 k7 E.......

1 i9 Z( N  b7 F% c- Y4 T. b
2 a1 Q2 N- R3 T, N! t: r% l( g0 y为什么不对比CL2.1来理解呢？
2.1

Except as indicated in 2.2

, a component of a product covered by this Standard

shall comply with the requirements for that component

. See

Appendix A

for a list of standards covering components generally used in the products covered by this Standard.
/ T: a7 H3 O$ U: Q4 P) W
' n8 ~5 q( D$ {$ c也就是说有2.2所列功能，就不用满足2.1要求。2.1就是specific requirement 。2.1要求是什么？参照Appendix A。
这些都是套话，说白了就是Appendix A类元件必须要有UL或CSA认证，除非你有2.2功能。但是2.2是要有工程判断才能确定是否满足。

kelvinwen

同意1楼的观点。