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22.3 Appliances with pins for insertion into socket-outlets shall not impose undue strain on
; @) v: h. G: qthese socket-outlets. The means for retaining the pins shall withstand the forces to which the
, Q6 X; l9 `' k9 U) r% S! [+ P8 ]5 @pins are likely to be subjected in normal use.
" d3 W* m w0 W7 C7 C$ U% E N2 ECompliance is checked by inserting the pins of the appliance into a socket-outlet without: m& k* _2 V7 q4 J
earthing contact. The socket-outlet has a horizontal pivot at a distance of 8 mm behind the
# Z& Z, d: d# P! ~4 x& o2 U9 pengagement face of the socket-outlet and in the plane of the contact tubes.
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8 j5 b% w$ d8 x g1 ^: ?( L各位高手:我有两个疑问: 1 . 红色字部分说的插座要不带接地连接片,为什么呀?如果是一类电器怎么办?难道这种结构的只能是二类吗? 2.蓝色字部分怎么理解?5 Z: D3 f, h/ @# j, _
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