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引用第12楼hli168于2007-05-16 21:09发表的 :
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我听认证公司的工程师说一台机器只有一个带圆圈的,其他接地的不要带圆圈,带圆圈的就是电源线进来处的接地。[s:3] ?- e0 e$ r! @0 o
5017 Earth (ground) 0 n' p$ V, W' s
To identify an earth (ground) terminal in cases where
- }3 S0 C3 a, Nneither the symbol 5018 nor 5019 is explicitly required. 8 j% w6 {/ r+ S. ~9 P( U
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5019 Protective earth (ground)
$ @2 X# g# L' g, KTo identify any terminal which is intended for connection to
4 b) `8 v- e& \an external conductor for protection against electric shock
" v# u" } }. p& U+ |in case of a fault, or the terminal of a protective earth
9 y! C8 s5 i& }" h4 {/ c& q$ w5 t(ground) electrode.- L% g9 E2 U9 y# s& T
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我是想明白5019这个地线贴纸的粘贴位置. |
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