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以下引自EN 60968-2000
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0 U9 [9 {9 R$ |3 M, D. ~+ j% d/ \6 Protection against electric shock % h! ]& p$ q7 o/ L& [
0 U8 ~$ n! @2 T# \Self-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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1 x4 e: c3 V( E$ |5 @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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?$ l0 v7 v4 n; k. C) x: s3 i但和灯头相邻的外壳部分呢?
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F; o9 `/ a; s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?& @7 W9 b; A$ P% K8 C# S* X
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外壳允不允许开孔?开孔的尺寸有什么要求?( R: j& ]# n4 U2 k7 H
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(EN 60968中可没答案呀) |
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