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520168 发表于 2013-10-31 14:02
1 U& i% h8 e4 {' g$ M9 Q60245IEC53是普通二类灯具(IP20)使用的,既然内部线不密封可以淋到水就属于非普通灯具要用60245IEC57, ' w; c! E8 _' V
内部线是安全低电压吗!
6 T. _8 q& D2 m5 _5 t% P) D3 w7 f第9章, 附录c) no trace of water on current-carrying parts or SELV parts where the voltage under load 0 f. I/ y4 D. c9 v! {
exceeds 12 V r.m.s. or 30 V ripple-free d.c. or on insulation where it could become a hazard * g, W% b) ~' Z( a
for the user or surroundings, for example, where it could reduce the creepage distances
$ ^2 Z* T7 y; J) K5 |3 P" b" obelow the values specified in Section 11; |
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