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d) 1) For luminaires without drain holes, there shall be no water entry.; [4 U) `" M2 M/ }& P! l
NOTE Care should be taken not to mistake condensation for water entry.
8 K+ D1 Z) \! b p5 `+ D `; W3 z2) For luminaires with drain holes, water entry including condensation is allowed during the* y2 C' ?) s: V7 i' K0 {% m
tests if it can drain out effectively and provided it does not reduce the creepage and4 T3 _& B1 Z! S1 s4 k0 m
clearance distances below the minimum levels specified in the standard;$ b) @2 @5 \6 G3 G: r1 m
7 ]3 U6 ^/ i4 n$ O& i8 Y6 }! N如果没有排水孔,不能有任何水进入灯具内部,应注意不要将凝露误认为是进水。8 e# u, ?4 X% U4 D) R1 I- g
如果灯具内带有排水孔且水可以有效的排出,不会使爬电距离和电气间隙发生改变。水的进入包括凝露水是允许存在的; 6 D2 Y" u' x, R6 @8 o M$ E8 f
从标准上看,你的IP44没问题,凝露水不算进水。 |
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