The practice of down lead and disconnect clip: The lightning protection down lead to the grounding device is generally connected to the grounding device with a disconnect clip. The 92DQ is installed 1.8m away from the outdoor ground when exposed, and 0.5m away from the outdoor ground when concealed. In previous construction, the common method of connecting the parallel trench with the grounding device was to create a weak connection between the parallel trench and the grounding main line when the cross-section of the down lead and the grounding device was not consistent, which affected the lightning protection effect. Therefore, the following methods are commonly used for construction, which also meet the relevant acceptance requirements and design functions
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