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以下引自EN 60968-20001 j% N/ |, z+ w$ ?: v. P
" Q8 Z; `4 q; ? [$ k6 Protection against electric shock 1 v1 `. `$ V! o" [
* J, G% t4 _* E j1 K, FSelf-ballasted lamps shall be so constructed that, without any additional enclosure in the form of a luminaire, no internal metal parts or live metal parts of the lamp cap are accessible when the lamp is installed in a lampholder according to Publication 238.
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Compliance is checked by means of the test finger specified in Figure 1, if necessary, with a force .: |! @( x& S5 }
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灯头部分的“防电击”,偶清楚了,“no internal metal parts or live metal parts of the lamp cap are accessible when the lamp is installed in a lampholder ”
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但和灯头相邻的外壳部分呢?# }- D4 e T5 ]0 U
* @5 X) y5 K" `6 E! ?# w如果外壳露出了危险电压部件,该如何计算“电气间隙和爬电距离”呢?2 i. [. o9 k& J8 |3 I9 ]
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外壳允不允许开孔?开孔的尺寸有什么要求?& h* H: t5 i* W
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