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以下引自EN 60968-2000! L2 R& o. j" [
6 n. Z$ N3 P* b6 Protection against electric shock 9 ~% Z; e* N3 t" b3 L) e
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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.: w( b& f# f+ l+ ]
- ]) [0 r, ^* J6 `- I: tCompliance is checked by means of the test finger specified in Figure 1, if necessary, with a force .- Q" x! S3 T: }# A U0 X) W& I% f
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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 ”- P' d5 D. @3 f* D W ~% w, C
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但和灯头相邻的外壳部分呢?0 y. C7 F4 y8 L( |$ }' e2 j5 ?
' {- [( N! I8 @" r( j e8 C, p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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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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