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Try to answer this这两个“接地”是不是概念/功能不一样? 他们的区别是什么?
+ ?0 @* E; p+ h9 m. O4 Q* ?From 60950-1:1.2.13.11 PROTECTIVE BONDING CONDUCTOR: conductor in the equipment, or a combination of
' H- Q4 f o8 `" _conductive parts in the equipment, connecting a main protective earthing terminal to a part of the equipment that is required to be earthed for safety purposes
$ D o! J- q& M( r: Q) N2线属于设备内部部件保护接地,3是设备主接地点。
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# J# r, ]+ D/ ]: B"2"线是通常说的黄绿线吗?
1 ]( t" e/ M1 J/ p是,3线也是( p7 c; x! w; z
2,3的不同是:内部保护接地通过接地连续性测试即可,但主接地线一定要满足标准中的线径要求。 |
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