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Question:8 e3 u4 c' r# t: T7 b$ H6 J! ~
Is this requirement applicable to products provided with a mains inlet? If yes, is the symbol! a0 Q4 y3 N' C; d7 R( y
IEC 417 No. 5019,(有圈的接地符号) then, required at the location where the earthing conductor (coming from- i, |4 a- [9 e: \% d& J
the inlet) is terminated?+ q7 B5 q, ?' {. w$ ^
Decision:7 H; n# h1 p4 g7 Y
The symbol is not required in the above mentioned case7 C" U2 Z* d- F/ ~( n安规网www.angui.org
: _) [/ Y! @) l Explanatory notes:4 e! L3 B6 r" V7 H& I8 ~ k安规网www.angui.org
m1 \9 m, t3 P" [9 C- J It has been reported that some test houses require this symbol.
% ?) x- k. A! S, M本人理解如下:
# f4 J; C+ ]* L% J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?
$ r9 k2 [7 R; J5 }, F+ n结论:上述情况不要用带圈的接地符号。
3 s; z- X8 t- @6 L+ g' W注:据说有些端口要用这种带圈的接地符号。 |
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