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Standards BS - British national standards - Page 7227
BSi – The company, BSI British Standards, is a national standards body of the United Kingdom (NBS) and it was actually the very first one in the world. It represents national and social interests of Great Britain in all European and international standardization organizations and in the development of business information of British institutions of all sizes and sectors. BSI British Standards cooperates with manufacturing and service industries, various companies, the government and with consumers as well in order to facilitate the production of British, European and international standards. A part of BSI Group, BSI British Standards, works closely with the government of the United Kingdom, especially in the Department for Innovations, Universities and Skills (DIUS).
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BS EN 50122-1:1998
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Railway applications. Fixed installations. Protective provisions relating to electrical safety and earthing.
WITHDRAWN published on 31.1.2008
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BS EN 50122-1:2011+A4:2017
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Railway applications. Fixed installations. Electrical safety, earthing and the return circuit. Protective provisions against electric shock.
WITHDRAWN published on 28.2.2017
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BS EN 50122-2:1999
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Railway applications. Fixed installations. Protective provisions against the effects of stray currents caused by d.c. traction systems.
WITHDRAWN published on 13.11.2002
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BS EN 50122-2:2010
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Railway applications. Fixed installations. Electrical safety, earthing and the return circuit. Provisions against the effects of stray currents caused by d.c. traction systems.
WITHDRAWN published on 31.3.2011
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BS EN 50122-3:2010
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Railway applications. Fixed installations. Electrical safety, earthing and the return circuit. Mutual Interaction of a.c. and d.c. traction systems.
WITHDRAWN published on 31.3.2011
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BS EN 50123-1:1996
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Railway applications. Fixed installations. D.C. switchgear. General.
WITHDRAWN published on 15.3.1996
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BS EN 50123-2:1996
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Railway applications. Fixed installations. d.c. switchgear. d.c. circuit breakers.
WITHDRAWN published on 15.3.1996
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BS EN 50123-3:1996
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Railway applications. Fixed installations. d.c. switchgear. Indoor d.c. disconnectors and switch-disconnectors.
WITHDRAWN published on 15.3.1996
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BS EN 50123-4:1999
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Railway applications. Fixed installations. d.c. switchgear. Outdoor d.c. in-line switch-disconnectors, disconnectors and d.c. earthing switches.
WITHDRAWN published on 15.9.1999
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BS EN 50123-5:1999
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Railway applications. Fixed installations. d.c. switchgear. Surge arresters and low-voltage limiters for specific use in d.c. systems.
WITHDRAWN published on 15.9.1999
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