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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.
- o% [$ w- P2 X/ p然后下面备注里继续说:
/ X) E/ k6 b( n0 U' uNote 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.............
0 K* x) W# t0 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?
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- n' T+ C, ?3 W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?1 M# ], d( Q+ U9 P/ ?3 N. [
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