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Question:" [3 M' d8 r7 \# M' f# }2 \
Is this requirement applicable to products provided with a mains inlet? If yes, is the symbol
/ q4 W$ T5 Y; {( Y6 v! y S7 P IEC 417 No. 5019,(有圈的接地符号) then, required at the location where the earthing conductor (coming from
; }: q! R- v# n# b1 m the inlet) is terminated?$ M: Y+ K3 w- u* H+ C" |% y. w
Decision:
/ ~9 d+ u& Z$ p* R! z, p) H) ^5 N0 ~0 f The symbol is not required in the above mentioned case7 C" U2 Z* d- F/ ~( n安规网www.angui.org W% c9 {+ i4 s* ^/ i' W% U6 z: ] n
Explanatory notes:4 e! L3 B6 r" V7 H& I8 ~ k安规网www.angui.org: Y. C+ [( w, I7 p
It has been reported that some test houses require this symbol.# U$ Z q% p, L! s, Y( S0 X
本人理解如下:' h% I2 o4 u: V+ k$ ]% f
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?6 l' G6 }6 Z7 t' [6 a+ m# D3 M
结论:上述情况不要用带圈的接地符号。
6 f0 P) B# ?) C注:据说有些端口要用这种带圈的接地符号。 |
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