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本帖最后由 tsunn 于 2013-5-10 15:00 编辑 ' v; K3 b' @3 }: C" ?
& Z/ F ~0 d$ I' T# M. z2 {( \EN60598-1的5.2.8说到:5.2.8 If, in class II luminaires, in adjustable luminaires or in portable luminaires other than6 ]; |5 F* w8 U Y
those for wall mounting, a flexible cable or cord where entering or leaving the luminaire passes% n3 V; k1 S) u& T% s i
through accessible metal parts or through metal parts in contact with accessible metal parts,/ @/ a% T. s% O# S5 j& e
the opening shall be provided with a tough bushing of insulating material having smoothly5 W; A" z4 z& Z, B5 Q0 K9 n- Y
rounded edges, so fixed that it cannot easily be removed. Bushings of material likely to
6 E R, C$ F5 L7 Z" g2 }deteriorate with age shall not be used in openings with sharp edges.
5 K3 y j, U" p# D, I) t可见绝缘衬套只针对II类灯具,可调节灯具和可移动灯具(壁灯除外)有要求,而对于其他灯具无要求。那么请问I类普通吊灯(不带升降可调的),电线出入金属孔的地方还需不需加绝缘衬套了呢?如果需要,那么是不是说I类普通吊灯也算可调节灯具呢?
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