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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.9 C: R! f/ o4 X- J8 I" n
然后下面备注里继续说:) d% I( m# V0 {: K& V: n
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.............7 k" v8 Z* T6 n! g
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?
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8 N% A/ `$ z' P/ G# ~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?) V& B* C2 u+ Z- E3 e/ T
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