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d) 1) For luminaires without drain holes, there shall be no water entry. u" e5 ?. L/ M" O# M8 E
NOTE Care should be taken not to mistake condensation for water entry.
* R, }, G; L U/ C: Y$ V2) For luminaires with drain holes, water entry including condensation is allowed during the0 }4 ]3 k" ~% s; `9 z
tests if it can drain out effectively and provided it does not reduce the creepage and
$ Y, O# X3 y6 y( iclearance distances below the minimum levels specified in the standard;
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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。! c, s- Z" C7 n7 e) \ l2 {
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; ' I/ c, r3 I% y( }9 L
从标准上看,你的IP44没问题,凝露水不算进水。 |
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