锁金属件的需要的是机械螺丝,而非自攻螺丝~作者: vickywu 时间: 2010-4-8 16:33
You could refer to the following grounding requirement of IEC60598-1 and check it it will comply with it. % k0 T/ B6 ^+ }& A6 j' L+ M9 D8 X 2 [6 w c1 U5 L1. The earth terminal connection shall be adequately locked against accidental loosening. E5 E# ]7 C3 G7 V7 ^
2. Self-tapping screws may be used to provide earth continuity and at least two screws are used.) u) X, |9 m, t% D5 v
3. Thread-forming screws may be used to provide earth continuity . ! ?7 Y7 r$ Z- I/ ~4. The screw or the other part of the earth terminal shall be made of brass or other non-rusting 9 {2 k+ L2 d! f! P9 r r. B- z
metal, and the contact surface shanll be bare metal. 6 s0 n% m& J3 H. m5. It comply with the earth continuity test of 10A, 0.5Ohm作者: qxw0301 时间: 2010-4-24 15:25
绿螺丝是不是有喷漆啊,那样不行的作者: 极度郁闷中 时间: 2010-5-13 14:07
如果在地线片下没有加外齿花介子就不行,绿螺丝(自带齿纹)只能防松,但灯体是喷漆或喷塑表面处理的,必须要有外齿花介子在地线片下来破油漆层,保证接地测试连续性。作者: leely02 时间: 2010-5-26 19:35
我也想问一下,灯具新标准宣贯材料上关于接地规定154页7.2.4.18第一问,金属外壳不能代替铜导体提供接地连续性,是不是就是说在外壳上揪一角出来做接地触点是不行的?作者: 飞天鱼 时间: 2010-5-26 23:16
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