标准规范下载简介

GB 51120-2015 通信局（站）防雷与接地工程验收规范（英文版）.pdf

LiuJikeYeRongChenQiangZhaoYanSunXiaodongXuLiankun XuWeijieZhou JingLu ZhijunFeng Pu Liu Xinmao Zhang Jingming LiuZhengzi Translators: ShenYunqi LiXiongZhangXuanLiXinhua TranslationProofreaders: WangFengwuMengYongyeWangChaoWangJian

GeneralProvisions

GeneralProvisions

2.0.1 Common earthin

JGJT 470-2019标准下载2.0.6Earthing gri

2.0.7 Earthing lead

2.0.9Equipotential bonding

2.0.10 Earth conductor

2.0.11 Earthing busbar

Conductivebartowhich all earthconductors are connected. 2.0.12 Main earthingomnibus Main earthing omnibus refers to copper strip or flat steel used as earthing conductor.It

2.0.13Earthing system

2.0.14 Rolling sphere method

2.0.15Earth resistivity

2.0.17Surge protective device(SPD)

BasicRequirements

绿化施工组织方案14.1Earthing Electrode and EarthingG

4.1Earthing Electrode and Earthing Grid

4.1.14 The earthing resistance or the size of earthing grid shall meet the engineering design requirements.The earthing resistance shall be tested with the method specified in Appendix A.

4.2EarthingLead

金鼎工程施工组织设计方案(天元九建).doc4.2EarthingLead

5 DirectStrokeProtectionSystem