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d) 1) For luminaires without drain holes, there shall be no water entry.
9 I# ~! N; ?4 N/ z- xNOTE Care should be taken not to mistake condensation for water entry.4 Q2 J" [) p: M3 l
2) For luminaires with drain holes, water entry including condensation is allowed during the
& y2 L# Q2 i3 d5 B5 n3 d7 wtests if it can drain out effectively and provided it does not reduce the creepage and
' a% e% e% ]! Mclearance distances below the minimum levels specified in the standard;& q7 K1 C& X/ @' } r. L4 w# ^+ F& |
: O+ N/ O5 D. p0 ^7 w+ @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。
3 x [, o9 h5 N6 {5 H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; 0 Z7 H6 Y0 i- V6 N$ l
从标准上看,你的IP44没问题,凝露水不算进水。 |
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