British Standards Document
BS EN 50122-1
Fixed installations for railway applications. Electrical safety, earthing and the return circuit. Protective provisions against electric shock
https://doi.org/10.3403/30465016U
BS EN 50122-1 is maintained by GEL/9/3. The current release of this standard is:
BS EN 50122-1:2022+A1:2025 Fixed installations for railway applications. Electrical safety, earthing and the return circuit. Protective provisions against electric shock
https://doi.org/10.3403/30465016 (published 31/10/2022)
This standard is available from the following sources:
Other historical versions of this standard document also exist:
- BS EN 50122-1:2022 [current until 06/08/2025]
- BS EN 50122-1:2011+A3:2016 [current until 28/02/2017]
- BS EN 50122-1:2011+A2:2016 [current until 30/11/2016]
- BS EN 50122-1:2011+A1:2011 [current until 31/01/2016]
- BS EN 50122-1:1998 [current until 31/05/2011]