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向进华 发表于 2012-12-6 17:36 
: N% \* ?) I3 a8 Y' x& r JCTL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 ... 6 k" T8 ]4 [# M) _( g; V
ccc中,负极可以认为不是载流体(Current-carrying parts)?
/ ?$ F s0 c2 \, s5 _" Q8 c a按照IEC 60598-1:2008/ X0 ~2 l9 Q' f
8.2.3 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.
2 P! V- u# n/ g0 R" d+ R- Y7 b4.11.5 Current-carrying parts shall not be in direct contact with the mounting surface or wood.
' Y; h: F8 e: 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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