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Question:( t8 {9 v4 A7 b
Is this requirement applicable to products provided with a mains inlet? If yes, is the symbol4 x5 I ^+ D4 k$ J
IEC 417 No. 5019,(有圈的接地符号) then, required at the location where the earthing conductor (coming from
; I; c1 w |' C6 \ @" e2 I) `) L the inlet) is terminated?
: M1 x) A) Z: a Decision:! v- V3 T% P4 e, X' t4 i) P/ Y
The symbol is not required in the above mentioned case7 C" U2 Z* d- F/ ~( n安规网www.angui.org
+ P$ w2 N, K5 m) h, N) `' c Explanatory notes:4 e! L3 B6 r" V7 H& I8 ~ k安规网www.angui.org) |2 S8 f! F# p% |4 M3 C
It has been reported that some test houses require this symbol., ~) S9 C3 T/ i* f
本人理解如下:
& w! T1 W9 S- ~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?- b: j8 f* [# }3 V( N
结论:上述情况不要用带圈的接地符号。
7 @( b3 H3 u0 l注:据说有些端口要用这种带圈的接地符号。 |
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