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22.3 Appliances with pins for insertion into socket-outlets shall not impose undue strain on1 J# z/ G% r1 \# v. i
these socket-outlets. The means for retaining the pins shall withstand the forces to which the
7 d+ I, k- H# h( v* lpins are likely to be subjected in normal use.0 P6 h+ `5 V0 F D+ ~0 ^
Compliance is checked by inserting the pins of the appliance into a socket-outlet without
: N: U4 z4 _4 o Z K |earthing contact. The socket-outlet has a horizontal pivot at a distance of 8 mm behind the
i9 z( u2 |6 P$ [7 t) Yengagement face of the socket-outlet and in the plane of the contact tubes. # u+ V7 O8 ]& N
2 C7 A) p, D% Z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?, |/ w1 U& h1 R: j# @, F. d+ N
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