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显然不行：
/ A5 h) F0 w3 S% S/ V+ T. P5 R6 x: M7 r9 H/ l: \& e" w |8 O
7.2.4 Earthing terminals shall comply with the requirements of 4.7.3. The connection shall be
9 s9 m% j6 C9 l7 S6 Fadequately locked against accidental loosening.
8 U. ]3 }' W3 C; ^For screw terminals, it shall not be possible to loosen the clamping means by hand.7 o* U2 d% T/ ]5 u$ s6 j) R% x
For screwless terminals, it shall not be possible to loosen the clamping means unintentionally.
/ W/ V8 F1 \ i; t' VCompliance is checked by inspection, by manual test and by the tests specified in 4.7.3.3 m% [/ n# R7 E6 x3 T h e
NOTE In general, the designs commonly used for current-carrying terminals provide sufficient resilience to comply
! U/ h/ _* ^4 @7 {0 x7 fwith this requirement; for other designs, special provisions, such as the use of an adequately resilient part which is. S1 }/ w; |5 V3 M4 G t$ t
not likely to be removed inadvertently, may be necessary.
) E% g& H$ I6 l0 h( w* U, EFor terminal blocks with integrated screwless earthing contacts, the additional tests of Annex V8 X) f$ |5 V& R0 d7 g) s5 r$ k
apply. |
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发表于 2017-1-11 16:23
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