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520168 发表于 2013-10-31 14:02
- B+ A2 @9 m8 t, t60245IEC53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, . w8 q3 @* {; T! M1 C) `
内部线是安全低电压吗!
% w( ` q# F4 | V' k" q; z' \第9章, 附录c) no trace of water on current-carrying parts or SELV parts where the voltage under load - Y( [" x7 A6 q
exceeds 12 V r.m.s. or 30 V ripple-free d.c. or on insulation where it could become a hazard , c+ P2 T: H9 X4 s0 D! {% A
for the user or surroundings, for example, where it could reduce the creepage distances
( _* ?% k! [9 s( f; gbelow the values specified in Section 11; |
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