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Question:
4 k. H1 P/ e9 h4 I Is this requirement applicable to products provided with a mains inlet? If yes, is the symbol
' d: p7 t3 C( F3 C+ q8 I6 o/ S IEC 417 No. 5019,(有圈的接地符号) then, required at the location where the earthing conductor (coming from0 j& l- N7 x9 L
the inlet) is terminated?
6 D8 ]" b' U- A; K$ ~ Decision:
3 i+ T& G1 v+ L+ J h0 c The symbol is not required in the above mentioned case7 C" U2 Z* d- F/ ~( n安规网www.angui.org8 t" M, C& c2 }* t. P9 e
Explanatory notes:4 e! L3 B6 r" V7 H& I8 ~ k安规网www.angui.org
0 q: x7 k& } m3 N5 @3 f It has been reported that some test houses require this symbol.
, w/ U9 w4 T3 F8 ^1 |$ ~" `本人理解如下:! O' a+ B% i1 y: |% [- ]1 ^+ h
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?* A, `$ @( D- ]. V4 L w3 E
结论:上述情况不要用带圈的接地符号。
- c5 \# p2 I& Y9 j& z注:据说有些端口要用这种带圈的接地符号。 |
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