During the on-site application process,it was found that traditional cable sheath cross-linking grounding boxes take an excessive amount of time to open and close.The article analyzes the principle of abnormal circulation caused by water ingress into a cross-linking box through a case study of water ingress on site.To address this issue,an improved design is proposed,modifying the connection between the box cover and body by incorporating a buckle structure to enable quick opening and closing,effectively reducing the probability of water or moisture entering the cross connected box.
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