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以下引自EN 60968-2000$ b0 R* X3 g- \) P
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6 Protection against electric shock
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) W# v- v& J( ]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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Compliance is checked by means of the test finger specified in Figure 1, if necessary, with a force .( s! U8 f3 @$ t/ a3 `
( Y* \0 E& z4 h; w( T% L' i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 ”* s" m8 r3 r \- E) {+ W) ]+ m
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但和灯头相邻的外壳部分呢?
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1 b/ p4 h( D; l1 i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?+ b, L! Z% F/ C% v
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外壳允不允许开孔?开孔的尺寸有什么要求?
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(EN 60968中可没答案呀) |
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