|
|
The following situations are exempt from the above requirements:
9 x1 H& q& o. _, y8 C9 c – 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) ;
- ^; o7 h/ R+ C% }: |/ \1 F本人理解如下:" ~+ n* ] Z% J' M; g
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。
4 J/ e- u1 \& j6 D, c4 p. N0 } – 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.;4 |" n8 y7 X2 q# |8 G6 D
-->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。
# N1 B i0 ?$ C7 J1 t |
|