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d) 1) For luminaires without drain holes, there shall be no water entry.# F7 e- k6 V$ q2 m. ~, r
NOTE Care should be taken not to mistake condensation for water entry.
: t& ~+ a( x- y' m" v2 B6 ^6 ?4 `0 J2) For luminaires with drain holes, water entry including condensation is allowed during the6 ]% h% {% H; v3 k( w
tests if it can drain out effectively and provided it does not reduce the creepage and& w% \ B1 I a- |6 s
clearance distances below the minimum levels specified in the standard;! h* u4 E% ]$ Z
; C i( K* H* T+ R v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。4 G# y* h3 ^9 v* O* A+ O/ _) [
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; / H' ?3 `" _" r6 y8 t5 H( f) x
从标准上看,你的IP44没问题,凝露水不算进水。 |
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