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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.
1 t( D% W: O O9 x' G) b$ H然后下面备注里继续说:
" b- t! ]) W3 g2 P' dNote 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.............& o7 E" w/ H' \4 l+ ?7 k" A5 ~' W; q
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?- l# o5 I5 t9 I" ]" S" d9 S
, N7 N; G8 h, `9 w( F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?" J- b, P& `1 |- X# l0 b' C1 I
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