|
|
本帖最后由 ljh809809 于 2015-10-27 12:08 编辑
) ?2 u' |9 p$ ^) ^* O& g0 K, }8 n+ w7 O
9.5 If appliance inlets are arranged countersunk in the outer surface of equipment, and if this7 M" i0 x( I, O5 d! |! M
surface is curved or inclined with respect to the axis of the appliance inlet, the arrangement
$ n4 Y, X* {' c2 tshall be such that, under any circumstances, the pin ends do not protrude beyond the limiting, g) B% [) Z: H7 m% P, }
surface of the shroud.
$ s5 u3 o, n% H3 P. |0 ^0 r$ ACompliance is checked by connecting all pins, including the earthing pin, if any, together with
" v n, c+ B: _& C3 cone pole of a contact indicator, the other pole being connected to a metal straight-edge ruler,
9 d% f7 F; e; s2 @8 Bhaving a width wider than the largest inside dimension of the appliance inlet, which is placed in
. N" C4 y6 n9 |3 N& b" Ball possible directions over the opening of the shroud. The ruler shall not come into contact
. o; G. g) f0 F' C; owith the pin ends. j- z* V& y/ p) M4 ?0 j2 p& \
NOTE 1 For 10 A and 16 A appliance inlets for class II equipment, the test shall be carried out with a simulated earthing pin.# J2 X5 Q' k" v- Y! o" m
. b8 Z" r0 G- X2 X8 k
问题：注1中， 如何用模拟接地插销来做检查？8 C1 X7 _. z/ D
" a+ P- f5 v" C2 z
|
|
/1 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2015-10-23 17:34
收藏
分享
好帖
鸡蛋
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡