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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?
% i& t$ C' X) e- |" @+ J; RFrom 60950-1:1.2.13.11 PROTECTIVE BONDING CONDUCTOR: conductor in the equipment, or a combination of. ]5 J; L% A# P1 N) D3 o5 l
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 purposes5 F; R0 a( S4 L. N( K4 t, B
2线属于设备内部部件保护接地,3是设备主接地点。0 W6 Y) ~6 |+ J1 x& e
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"2"线是通常说的黄绿线吗?
, T+ _8 U7 B2 u0 d- K1 @是,3线也是
9 U9 R) p4 N% ]; ?+ H2 _8 ?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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