UL1082 Clause 2.2 什么意思？

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2.2 A component is not required to comply with a specific requirement that:
a) Involves a feature or characteristic not required in the application of the component in the
1 a! F' W/ }8 m; @& o: l$ hproduct covered by this Standard; or
9 R1 U. o9 z" q( J! J& mb) Is superseded by a requirement in this Standard.

! Y0 t/ k. E% r3 Y- c+ M$ E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？ :
. \8 e" v" G* Z: b; h) Y2.2 A component is not required to comply with a specific requirement that:
7 x" A! Z# U) _' h& x4 u4 c) Na) Involves a feature or characteristic not required in the application of the component in the
product covered by this Standard; or
b) Is superseded by a requirement in this Standard.
! M9 W" P3 p$ c- D" R" H
.......

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.

/ G0 C- @7 x$ L6 M3 E9 {$ G2 T; Q( @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。
- F( n; {  E  V/ M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。