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You could refer to the following grounding requirement of IEC60598-1 and check it it will comply with it.
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% w* D$ B, S$ ^+ B; V& Q( e3 G p1. The earth terminal connection shall be adequately locked against accidental loosening." [% K4 G5 `7 \: W/ t
2. Self-tapping screws may be used to provide earth continuity and at least two screws are used.- ? L* v' b" y( m
3. Thread-forming screws may be used to provide earth continuity .
+ l1 R3 _9 n. [% Y1 U* [, t, l4. The screw or the other part of the earth terminal shall be made of brass or other non-rusting , l8 T, n$ Y0 U
metal, and the contact surface shanll be bare metal.2 F1 H% _0 T* Z! i
5. It comply with the earth continuity test of 10A, 0.5Ohm |
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