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发表于 2013-9-26 14:19
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addwin 发表于 2013-9-24 18:27
- ^4 ?% n8 k" S* M: ]* n请查看CSA 250.13 definitions。但我也很疑惑。因为加拿大电工法规CEC里面明确是42.4VDC的。 6 B5 T7 c: {6 J* m8 J
求原文出处!! LVLE规定42.4Vdc. 是否为如下条款适用?
1 }3 q" N8 \8 t, u bPer Rule 16-222(1) of the Canadian Electrical Code, Part I, ELV Class 2 circuits may be accessible to the operator, while Class 2 circuits (e.g., 60 V dc) are not to be accessible for touch. Therefore the voltage on exposed terminal outside the lighting products cannot exceed 42.4 V peak or dc. An output form devices complying with Class 2, LVLE and SELV requirements are deemed in compliance with Rule 16-222(1). |
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