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ČSN EN 13501-6+A1 (73 0860) This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by June 2023, and conflicting national standards shall be withdrawn at the latest by September 2024. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document supersedes !EN 13501-6:2018". This document includes Amendment 1 approved by CEN on 4 December 2022. The start and finish of text introduced or altered by amendment is indicated in the text by tags !". This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. CEN, CENELEC and EOTA committees preparing technical specifications for electric cables falling under the Construction Product Regulation (305/2011), which contain performance requirements against reaction to fire tests, should make reference to the reaction to fire classification given in this European Standard and not refer directly to any specific fire test method. This document has been prepared in cooperation with CLC/TC 20 "Electric cables", CLC/TC 46X "Communication cables" and CLC/TC 86A "Optical fibre cables". EN 13501, Fire classification of construction products and building elements consists of the following parts: - Part 1: Classification using data from reaction to fire tests; - Part 2: Classification using data from fire resistance tests, excluding ventilation services; - Part 3: Classification using data from fire resistance tests on products and elements used in building service installations: fire resisting ducts and fire dampers; - Part 4: Classification using data from fire resistance tests on components of smoke control systems; - Part 5: Classification using data from external fire exposure to roofs tests; - Part 6: Classification using data from reaction to fire tests on power, control and communication cables