本标准适用于铁路信号系统接地及铁路综合接地系统的贯通地线。This standard specifies the operation characteristics, product classification, type and identification, technical requirements, test methods, test rules, marking, package, transportation and storage of railway through groundwire (hereinafter referred to as the “through ground wire”).This standard is applicable to the through ground wires used for the grounding of railway signaling system and railway integrated grounding system.