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4.7.3 说 terminals for supply cords, shall be suitable for connection to be made by means of screws,nuts or equally effective devices.
: i6 N/ L3 b% x8 X" p然后下面备注里继续说: z) b( ~+ W2 b7 e* ?) @! i
Note 1 for luminaires designed to be connected by means of rigid (solid or stranded) conductors, screwless terminals of the spring type are effictive devices,including the earth connection............." p. e6 t8 P0 Y+ G$ X7 m F
如果一个灯具,采用接线端子连接到电源的固定布线。然后这个接线端子只能采用弹簧无螺纹端子的接线方式,才能有效?3 D4 l v& F! W) n0 E6 X
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如图中的电源接线端子,是用有螺纹的螺丝卡紧电源导线的,是否并不能满足标准里说的有效连接?; f3 g- B' U" [8 Z( {: h r
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