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接地在60950里面1.7.7讲到protective earthing connector 连接使用带圈的接地符号,使用protective bonding connector 可以不用接地符号或者使用 不带圈的符号.
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The following situations are exempt from the above requirements:
) ?! i3 O5 a2 _8 m– where terminals for the connection of a supply are provided on a component (for
( K! R" F7 ^/ a& N W! \4 yexample, a terminal block) or subassembly (for example, a power supply unit), the
2 c' Q# r5 q2 E9 Isymbol(没圈的接地符号) is permitted for the protective earthing terminal instead of(有圈的接地符号) ;) T2 L; N5 Y5 |; M
7 s% h0 d! g# W! Q; r– on subassemblies or components, the symbol(有圈的接地符号) is permitted in place of the symbol(没圈的接地符号)8 l f! q! Y+ C- z
provided that it does not give rise to confusion.
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下面我把CTL 关于这个接地符号的决议放上来,大家也看看,我没看懂5 m5 R k- F+ M, x/ k8 I5 n
Question:! ^( x) a& ]4 M9 ~1 l6 { q1 U
Is this requirement applicable to products provided with a mains inlet? If yes, is the symbol. h `9 g- u1 M$ F- A$ v8 l, k
IEC 417 No. 5019,(有圈的接地符号) then, required at the location where the earthing conductor (coming from
3 ~6 B5 g7 X# g+ X# V9 vthe inlet) is terminated?
" \3 q+ s9 k( {% O3 m$ VDecision:
; E: a# Q8 j' JThe symbol is not required in the above mentioned case: f& w$ V \- E0 Q5 d4 F+ S% k
Explanatory notes:
9 I/ A6 h; O* j* S; A4 P0 q6 ^8 iIt has been reported that some test houses require this symbol. |
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