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发表于 2018-7-3 13:32
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. B% y7 M6 O+ `- D4 u9 |9 }8 T(3)你的第三点,把保护temrinal 到金属外壳接地线去去掉,但保护temrinal 保留,判定下几类,并说明理由 4 {4 J, |4 Q5 I' C8 B
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571121 这段段话,判断下是几类,说明下理由。
7 O' m* h* F( S# B60570 Clause 8.3( ?2 f5 O8 j' v6 A
Where luminaires meet the requirements of class II and are provided with an integral adaptor' T# E+ H0 o9 T9 R2 X i [* J
- ]: _: t; V- ~" g: M1 \for connection to track systems, the adaptor may incorporate an earthing contact provided that,
$ b) j h) ~* qwhen connected to the track, the requirements of class II for the luminaire are maintained.
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