EN 50122-1-2011 轨道交通.固定装置.接地和回路用电安全.第1部分:防触电保护规定(包括修改件A1-2011)
Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 1: Protective provisions against electric shock (Incorporates Amendment A1: 2011; Incorporating corrigendum November 2012)