# The Railways (Accident Investigation and Reporting) Regulations 2005, Paragraph 1


A fire, arcing or fusing which adversely affects the functioning of signalling, catenary or rolling stock control equipment.

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Source: https://www.legislation.gov.uk/uksi/2005/1992/schedule/5/paragraph/1 (the official version)
Page: https://openlegislation.uk/railways-accident-investigation-and-reporting-regulations-2005/schedule-5/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.