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d) 1) For luminaires without drain holes, there shall be no water entry.
2 d( u" R3 |8 M7 Q" QNOTE Care should be taken not to mistake condensation for water entry.* m- b( w( s) a) { o# d6 X
2) For luminaires with drain holes, water entry including condensation is allowed during the ]9 y+ {# z( T u
tests if it can drain out effectively and provided it does not reduce the creepage and+ g( N, q# h7 r! `) d
clearance 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。$ ]- v$ x# Z5 f4 F: ~
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; : ]: f/ q; T( ]. x
从标准上看,你的IP44没问题,凝露水不算进水。 |
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