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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.& }5 ~8 h! l, `
然后下面备注里继续说:
- j, l, S8 X: ^- Y; J: s3 M' q* `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.............
9 @7 U8 Z- l% l( c6 k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?7 a; Y7 h' M1 z6 p: U8 X* W
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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?+ L' e, S2 F, P' A) Q
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