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d) 1) For luminaires without drain holes, there shall be no water entry.3 f& U/ T" \1 B% q+ `
NOTE Care should be taken not to mistake condensation for water entry.$ T; H# @6 t4 _- l
2) For luminaires with drain holes, water entry including condensation is allowed during the
/ {% K: E9 L/ }tests if it can drain out effectively and provided it does not reduce the creepage and6 t! Q( T; F: e% H
clearance distances below the minimum levels specified in the standard;
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4 z2 ]4 @, D' M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。# D* I" ?, M2 E. w9 Q
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; ; J3 l5 j+ n" ?. a' G& A* a7 i
从标准上看,你的IP44没问题,凝露水不算进水。 |
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