Oxidation will make ground-wire of lightning arrester rusty.
2
电热带外层的编织层能起到传热和散热的作用，提高电热带的整体强度，同时还能用作安全接地线。
The outer brade layer can execute the function of heat transmitting and radiating, to enhance the general intensity of the heating belt. It can also be earthed .
3
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。
This paper analyses the principle and functions of protective earthing and hanging earthing conductor , and analyses the existing problems in practice.
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