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Question:
0 d1 Z( j7 s5 }/ s4 e Is this requirement applicable to products provided with a mains inlet? If yes, is the symbol( Y, {) a3 v' Y( P5 v6 I4 J* ?
IEC 417 No. 5019,(有圈的接地符号) then, required at the location where the earthing conductor (coming from: J' V: P% P- _
the inlet) is terminated?1 B: z; V* v, h6 A8 g' C
Decision:
. X5 M2 X0 l1 j The symbol is not required in the above mentioned case7 C" U2 Z* d- F/ ~( n安规网www.angui.org
' y5 t, l) j0 _' ]; J& b! N5 H Explanatory notes:4 e! L3 B6 r" V7 H& I8 ~ k安规网www.angui.org4 G+ I" S, K5 H1 K4 J+ c7 Z' M1 h; |
It has been reported that some test houses require this symbol.
; v' j$ k9 ?( @, l本人理解如下:
' H7 b# G3 I/ L% L: U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?
$ W W" w1 p. z, k结论:上述情况不要用带圈的接地符号。' P2 v" \0 M1 h) ^" B7 X& I( b3 U
注:据说有些端口要用这种带圈的接地符号。 |
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