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向进华 发表于 2012-12-6 17:36 4 Q2 I+ L4 p. r
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 ... $ m. T- J3 }: B$ K+ B
ccc中,负极可以认为不是载流体(Current-carrying parts)?0 e# j/ G/ l% _# n0 h" \
按照IEC 60598-1:2008
* C( y, P! D% }5 V3 a7 S% U8.2.3 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.
6 A2 d3 C7 a y4.11.5 Current-carrying parts shall not be in direct contact with the mounting surface or wood. 4 ?1 J0 i: \4 i4 [2 w9 L0 m
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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