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发表于 2018-7-3 13:32
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% ^- H1 M, h( f3 D. p- l(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 $ ~, L! `% e" v, L4 {! ?
) {8 i6 m( v; T. L; G571121 这段段话,判断下是几类,说明下理由。
3 b: U) |4 T- |) T: Q# F9 [" q60570 Clause 8.3
/ L8 v n% J$ F! {7 qWhere luminaires meet the requirements of class II and are provided with an integral adaptor' T# E+ H0 o9 T9 R2 X i [* J @. ?, }3 T k0 K
for connection to track systems, the adaptor may incorporate an earthing contact provided that,+ c5 `/ L4 a( A/ [) q$ E
when connected to the track, the requirements of class II for the luminaire are maintained.* E. k6 \8 I/ \
f5 Z+ `. ~* _+ U: C1 u+ Y
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