1·PROTECTIVE EARTHING CONDUCTORS are considered to comply without test.
所以保护接地导体是不用测试的。
2·NOTE This provision includes a protective earthing conductor in the supply cord.
注：此防护措施包括电源线中的保护性导线。
3·The relations between protective earthing, touching voltage and walk voltage are discussed in the article.
该文对保护接地、接触电压、跨步电压间的关系进行探讨。
4·This paper analyses the principle and functions of protective earthing and hanging earthing conductor, and analyses the existing problems in practice.
分析了保护接地和挂接地线的工作原理、作用以及使用过程中存在的问题，值得工矿企业安全用电借鉴。
5·This paper analyses the principle and functions of protective earthing and hanging earthing conductor , and analyses the existing problems in practice.
分析了保护接地和挂接地线的工作原理、作用以及使用过程中存在的问题，值得工矿企业安全用电借鉴。
6·Main types of earthing in industrial plants include operational earthing, protective earthing, shielding earthing, electrostatic - proof earthing and lightning-proof earthing etc.
工厂中接地的种类主要有工作接地、保护接地、屏蔽接地、防静电接地和防雷接地等。
7·Electrical installations of buildings - part 5-54: selection and erection of electrical equipment; earthing arrangements, protective conductors and protective bonding conductors.
建筑物的电气设施。第5 - 54部分：电气设备的选择和安装。接地措施保护导体和保护跨接线。
8·It is necessary to use two-stage selective earthing protective device in the power supply system of open-pits.
露天矿供电系统中采用两级选择性接地保护装置十分必要。
9·Combined with the design of Gongboxia Hydropower Station, this paper bring forward some technical problems in respect of proper selection of cable section, earthing mode and protective measures.
结合公伯峡水电站电缆系统设计，对合理选择电缆截面、敷设方式及保护措施等技术问题加以介绍。
10·It is the key point to judge whether the earthing protective system of an elevator can he approved. Present paper analyses the working principles of three diff...
本文通过对三种不同接地保护系统工作原理的分析，指出实现零线和接地线应始终分开的正确方法。