|
520168 发表于 2013-10-31 14:02
+ E) \( b; B. A60245IEC53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,
+ M0 h7 F' a4 D7 @+ k e, J1 R8 Q+ {内部线是安全低电压吗!
, Y0 _/ N: P' t' Y, y2 D第9章, 附录c) no trace of water on current-carrying parts or SELV parts where the voltage under load 4 V: w) i7 w$ ?; V. H
exceeds 12 V r.m.s. or 30 V ripple-free d.c. or on insulation where it could become a hazard 7 \% k7 L& ~$ J+ ^8 c
for the user or surroundings, for example, where it could reduce the creepage distances ( S" d0 `% C% F
below the values specified in Section 11; |
|