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向进华 发表于 2012-12-6 17:36 
& _; p- g. z' j) [CTL决议里说的只是针对大概的专例说明的。SELV说是可以基本绝缘,甚至于可以不用绝缘,但是灯具标准里还有对 ... 4 z m0 z6 W2 @" E% k
ccc中,负极可以认为不是载流体(Current-carrying parts)?
/ y) ?5 ^' u$ n6 O0 c* n* w7 t按照IEC 60598-1:2008
; s9 m1 U- A$ j$ l+ B8.2.3 NOTE 2 PELV sources are not used at present for luminaires, by consequence a class III luminaire should not be provided with means for protective earthing.
4 w, o0 k3 Z0 P& f8 L7 j& d% U4.11.5 Current-carrying parts shall not be in direct contact with the mounting surface or wood. ; a. r9 R, g# H
有提到mounting surface不能直接接触到载流部件,GB 7000.1:2007应该还没有更新?! |
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