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显然不行：
0 p; K1 S6 U- O0 x; A9 Q3 Y) { K8 V& ?' u
7.2.4 Earthing terminals shall comply with the requirements of 4.7.3. The connection shall be
: V( j" O" S6 T2 O& i, u; R, eadequately locked against accidental loosening.
; Z) f! b9 K6 L$ u8 tFor screw terminals, it shall not be possible to loosen the clamping means by hand.5 B7 H3 ^- ]! A |% U; C
For screwless terminals, it shall not be possible to loosen the clamping means unintentionally.
; C/ F" J/ l. K1 ^1 T- KCompliance is checked by inspection, by manual test and by the tests specified in 4.7.3.. ?' i$ l, { \
NOTE In general, the designs commonly used for current-carrying terminals provide sufficient resilience to comply8 v. k s2 g) t3 G* v i0 e
with this requirement; for other designs, special provisions, such as the use of an adequately resilient part which is0 x2 s. Z: H" M2 `5 X
not likely to be removed inadvertently, may be necessary.
6 }3 c" }7 v5 f3 K' r" ?. C) gFor terminal blocks with integrated screwless earthing contacts, the additional tests of Annex V
1 B5 O& _0 a' [8 Wapply. |
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