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以下引自EN 60968-2000: _1 b) }% a" s6 j; P$ P0 Z
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6 Protection against electric shock ) F. i9 o w" g2 T7 `' {
1 c; N# e" \2 B* _) s# [( HSelf-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. f* e5 i& D3 n$ @" W9 A+ ~8 T5 ^0 f
9 W, t& Q- v+ `- ]Compliance is checked by means of the test finger specified in Figure 1, if necessary, with a force .
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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?$ q9 E. G- P& O# P
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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?
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& B* n# r) F, L. b. c5 ~外壳允不允许开孔?开孔的尺寸有什么要求?" T! @7 N+ |* b2 ?3 {! W
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(EN 60968中可没答案呀) |
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