Installation requirements of grounding electrode: I. the grounding device should be made of steel, and the conductor section of the grounding device should meet the requirements of thermal stability and mechanical strength, but should not be less than the specifications in the following table. 2、 The buried depth of the top surface of the grounding electrode shall not be less than 0.6m, and the angle steel and steel pipe grounding electrode shall be configured vertically. In addition to the grounding electrode, the outgoing line of the grounding electrode shall be subject to anti-corrosion treatment; When galvanized flat steel is used, the bolted connection part of the outgoing line shall be painted with anti-corrosion paint. 3、 In order to reduce the shielding effect of adjacent grounding electrodes, the spacing of vertical grounding electrodes shall not be less than twice its length, and the spacing of horizontal grounding electrodes shall not be less than 5m according to the design regulations. 4、 The distance between the grounding electrode and the building should not be less than 1.5m.
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