GB51120-20152······1

1總則······8

2術語······9

3基本規定······12

4接地裝置······14

4.1接地體與接地網······14

4.2接地引入線······15

5直擊雷防護裝置······17

5.1接閃器······17

5.2引下線······17

6等電位連接······19

6.1接地排及接地匯集線······19

6.2設施的接地······19

6.3接地線······20

7線纜的接地與保護······21

7.1饋線······21

7.2入局線纜······21

7.3弱電信號線纜······22

8防雷器······25

9工程驗收······27

9.1隨工驗收······27

9.2竣工驗收······27

附錄A接地電阻的測量······30

附錄B通信局（站）防雷與基地工程隨工檢驗表······32

本標準用詞說明······40

引用標準名錄······41

附：條文說明······42

GB51120-2015 - 副本······1

1總則······45

3基本規定······46

6等電位連接······47

6.2設施的接地······47

6.3接地線······47

7線纜的接地與保護······48

7.3弱電信號線纜······48

8防雷器······49

9工程驗收······50

9.2竣工驗收······50

附錄A接地電阻的測量······51