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引用第15楼June.Zhao于2011-03-30 16:56发表的 :: |1 z& P0 d5 r2 S/ z( T. ?3 d. i
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8 o6 \' [0 {2 a0 l+ s' D: U9 ?我没说黄绿线不能用于功能性接地,黄绿线可以用于功能地啊
% e) ]0 I1 R' \: \+ w/ R$ `9 J但是:in a power supply cord where a conductor having green-and-yellow insulation is used only
+ b3 H' J* V& n- a ~ f; sto provide a FUNCTIONAL EARTHING connection: W4 n+ `# E# @: C# n
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我不认为60950的标准的要求也适用于灯具类控制装置。! E7 G' ]5 r: Z0 { n
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If earthing is provided to assist starting, or for EMC reasons, but is not connected to an accessible metal part, the luminaire may still be deemed to be of class II.+ o1 U, g0 K0 R8 z% d) Q+ q6 c
+ v1 q5 i1 \& [6 _二类灯具打二类标志没有问题。 |
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