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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?
- P4 O6 |: r. K$ G9 c6 y: MFrom 60950-1:1.2.13.11 PROTECTIVE BONDING CONDUCTOR: conductor in the equipment, or a combination of
, v% ]1 r% Z5 b% M. M4 Nconductive 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
' m# w4 d h( @) W2线属于设备内部部件保护接地,3是设备主接地点。$ P$ d' h9 g' {1 h' c' b
8 f( |& s: w/ b- L( f
"2"线是通常说的黄绿线吗? ! x# k! Z6 Y* S
是,3线也是& j0 v" X' A Q1 n
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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