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Question:
$ X# |2 B' C, M" J* T0 s) R Is this requirement applicable to products provided with a mains inlet? If yes, is the symbol3 }; t, H4 w, i6 D* P
IEC 417 No. 5019,(有圈的接地符号) then, required at the location where the earthing conductor (coming from+ o; S. L6 [! n6 N
the inlet) is terminated?
! X$ K- ^5 ?8 {2 F+ `+ y \ Decision:
' u2 ?2 `+ J1 A) n The symbol is not required in the above mentioned case7 C" U2 Z* d- F/ ~( n安规网www.angui.org
# \6 ~2 I7 O$ \6 t6 `0 }# D4 h Explanatory notes:4 e! L3 B6 r" V7 H& I8 ~ k安规网www.angui.org6 N5 d1 o3 ` [
It has been reported that some test houses require this symbol.
; A9 }: e0 e$ @" o0 n本人理解如下:1 F+ U4 q. B; z: ^* Z: h* d9 K' q1 _
问题:上述要求适用于带主接口的产品吗?如果适用,就用有圈的接地符号,并要求接口的地线以此此接地符号处终止吗?) r0 ~' }* z$ d Y4 n! @
结论:上述情况不要用带圈的接地符号。" I6 g/ S) \0 m6 j* @2 |. I
注:据说有些端口要用这种带圈的接地符号。 |
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