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汉语拼音：bǎo hù jiē dì

使电工设备的金属外壳接地的措施。可防止在绝缘损坏或意外情况下金属外壳带电时强电流通过人体，以保证人身安全。

• analyzed the limitation of protective earth and necessity of leakage protection for electric power plant.

  进行了电站保护接地的局限性和漏电保护的必要性分析。

• In contrast to a SELV circuit, a PELV circuit can have a protective earth (ground) connection.

  相反，一个符合SELV电路，PELV的电路可以有保护接地（地线）连接。

• use 4mm2 conductors to link the protective earth terminal of the cutting machine!

  用4mm2导线与切割机保护接地端相连！

• Ground the unit via the protective earth bolt (PE) below the terminal block.

  地面单位通过保护接地螺栓下面的接线盒（体育）。

• Prepare the grounding cable based on the installation scenario and grounding requirements.

  请根据安装场景和不同的接地需求，完成保护接地线的制作。

• The protective grounding PE pole is big than other poles.

  保护接地PE极比其它极粗。

• Application of the Selected Ground Protection and Its Significance for Underground Center Substation

  井下中央变电所选择性保护接地的实现及意义

• Protection of Electrostatic Discharge Susceptible Items - Grounding - Recommended Practice

  静电放电感应保护。接地。推荐规程

• protection cabinet protective relay protective earthing protective cover, protective

  保护柜保护接地保护罩