|
|
The following situations are exempt from the above requirements:& n0 A8 ~) Y& Z) I0 Q' m" U
– where terminals for the connection of a supply are provided on a component (for example, a terminal block) or subassembly (for example, a power supply unit), the symbol(没圈的接地符号) is permitted for the protective earthing terminal instead of(有圈的接地符号) ; 5 B- ]5 I- D4 X L2 M" i
本人理解如下:3 ]! r( }% I- q! u# I
如果设备的端子连接的是一个零件(例如一个终端模块)或者组件(比如一个电源),有圈的接地符号可以代替没圈的接地符号。& D5 }0 o" c F9 d* M
– 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)provided that it does not give rise to confusion.;9 G! N( ^, h# d6 D: i
-->组件或者零件间的连接,如果用没圈的接地符号代替没圈的接地符号不会引起误解,则允许替代。
' F, {; Q) j2 r/ w |
|