|
|
Question:
9 Q; k1 e+ ^. i0 ^ Is this requirement applicable to products provided with a mains inlet? If yes, is the symbol
4 Q- v" P2 V" d5 `5 C9 _ IEC 417 No. 5019,(有圈的接地符号) then, required at the location where the earthing conductor (coming from
8 {$ P. \4 ]. C4 {; h the inlet) is terminated?
- _ Y" R$ r' O) {- N+ @+ Z Decision:
! w6 h4 ?( Q$ t0 [# q& r The symbol is not required in the above mentioned case7 C" U2 Z* d- F/ ~( n安规网www.angui.org
! f, I6 k A n9 \! g Explanatory notes:4 e! L3 B6 r" V7 H& I8 ~ k安规网www.angui.org! j+ @: @- U5 R$ }' e+ W% d' N
It has been reported that some test houses require this symbol.! l% `3 L7 b' } |* {/ L
本人理解如下:& l3 V# l$ V) v4 m) R
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?
& |% E5 v* O- S1 o& K, X结论:上述情况不要用带圈的接地符号。$ l, T" a' @0 \3 `+ G) a0 c
注:据说有些端口要用这种带圈的接地符号。 |
|