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Question:
& c2 r5 O: K6 E0 Y3 _' G5 R* m Is this requirement applicable to products provided with a mains inlet? If yes, is the symbol6 Y* I# s: y4 |7 j7 A
IEC 417 No. 5019,(有圈的接地符号) then, required at the location where the earthing conductor (coming from- G8 p- Z) }6 x s; x
the inlet) is terminated?0 x& b# z. W! l. U" U
Decision:
2 y2 Q2 F! Z" B2 _3 l0 e0 j The symbol is not required in the above mentioned case7 C" U2 Z* d- F/ ~( n安规网www.angui.org& ^0 m' k+ f' u( t
Explanatory notes:4 e! L3 B6 r" V7 H& I8 ~ k安规网www.angui.org
9 o+ [0 L2 t+ o7 ] It has been reported that some test houses require this symbol.
7 X8 l" {) t, D( m3 |% l本人理解如下:& X4 G- G) _( D) R5 \& H( N3 j, x
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?
: c/ r+ \* t( _7 R9 o2 p结论:上述情况不要用带圈的接地符号。
* w/ L% O1 A2 Z6 J. n注:据说有些端口要用这种带圈的接地符号。 |
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