protection on railway vehicles. Fire safety requirements for flammable liquid and flammable gas installations EN 45554: General methods for the assessment of the ability to repair, reuse and upgrade energy-related products EN 50000–59999 (CEN specific, non-IEC electrical standards) EN 50022: 35 mm snap-on top-hat mounting rails for low-voltage switchgear (DIN rail) EN 50075: Europlug EN 50090: Home and Building Electronic Systems (KNX/EIB) EN 50102: Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts EN 50119: Railway applications - Fixed installations: Electric traction overhead contact lines for railways EN 50121: Railway applications - Electromagnetic compatibility EN 50121-1: Railway applications - Electromagnetic compatibility Part 1: General EN 50121-2: Railway applications - Electromagnetic compatibility - Part 2 : emission of the whole railway system to the outside world EN 50121-3-1: Railway applications - Electromagnetic compatibility - Part 3-1 : rolling stock - Train and complete vehicle EN 50121-3-2: Railway applications - Electromagnetic compatibility - Part 3-2 : rolling stock - Apparatus EN 50121-4: Railway applications - Electromagnetic compatibility - Part 4 : emission and immunity of the signaling and telecommunications apparatus EN 50121-5: Railway applications - Electromagnetic compatibility - Part 5: Emission and immunity of fixed power supply installations and apparatus EN 50122: Railway applications - Fixed installations EN 50122-1: Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 1: Protective provisions against electric shock EN 50122-2: Railway applications - Fixed installations - Part 2: Protective provisions against the effects of Stray currents caused by d.c. traction systems EN 50122-3: Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 3: Mutual Interaction of a.c. and d.c. traction systems EN 50123: Railway applications - Fixed installations - D.C. switchgear EN 50124: Railway applications - Insulation coordination EN 50125-1: Railway applications - Environmental conditions for equipment - Part 1: Rolling stock and on-board equipment EN 50125-2: Railway applications - Environmental conditions for equipment - Part 2: Fixed electrical installations EN 50125-3: Railway applications - Environmental conditions for equipment - Part 3: Equipment for signaling and telecommunications EN 50126: Railway applications - The specification and demonstration of reliability, availability, maintainability and safety (RAMS) EN 50128: Railway applications - Communication, signalling and processing systems - Software for railway control and protection systems EN 50129: Railway applications - Communication, signalling and processing systems – Safety related electronic systems for signalling EN 50130: