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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.2 Z& Z) O: B5 e4 u8 o8 m0 l
然后下面备注里继续说:
. }# B5 c' ^" m! y% ^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.............' m: u) g4 e- B& W( t" ^
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?2 k. h' n2 t2 r& ? c; l6 }
; Z1 q/ c* ~# [4 b4 }' r. g H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?: c! x V) z& H& y4 S& j
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