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In the installation of lightning arresters, the mandatory provisions of the national lightning protection standard of the People's Republic of China (GB50057-2004) must be in accordance with the national lightning protection standard.

1. according to the area of the protected building, height, the number of mine electric days and the use nature of the geographical environment correction coefficient of the building to determine the lightning protection category of the building.

2. the use of one or several lightning arrests is determined with the area of lightning protection and building.

3. the downline should be connected with the main steel bar of the building or two or more down lines should be done according to the regulations.

4. the broken connection card of the downline is insulated against the adjacent ground.

5. grounding resistance, lightning protection ground network should be carried out according to the requirements of lightning protection standard GB50057-2004.