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:
9 k# v9 V1 w0 |' k3 Ka) Involves a feature or characteristic not required in the application of the component in the
! b( b' ^, E$ j7 e" C6 P8 Pproduct covered by this Standard; or
+ y1 Q: f8 P+ g2 s+ [; k% qb) Is superseded by a requirement in this Standard.
6 I3 o& X+ U% D8 f: w# R
( ~2 x! G, q! z& v1 R$ {' 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？ :
/ h, Y, Y8 [3 O4 C" E2 g3 I, _+ Z2.2 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
+ ^( e3 C5 Z4 Q" Z4 Pproduct covered by this Standard; or
0 Q0 `$ |5 s8 {. Fb) Is superseded by a requirement in this Standard.

.......

( I) d8 Y& ?# X. h, R1 \% l
% X) T0 R* t' D3 c为什么不对比CL2.1来理解呢？
$ ~5 Q# _+ W/ c$ i( `0 f2.1

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.
: y/ i6 Y* Z; \) R, b. p7 @7 A
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。