IEC-60331-25 Tests for electric cables under fire conditions - Circuit integrity - Part 25: Procedures and requirements - Optical fibre cables

IEC-60331-25 - EDITION 1.0 - CURRENT

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Specifies the test procedure and gives the performance requirement, including a recommended flame application time, for optical fibre cables required to maintain circuit integrity when subjected to fire under specified conditions. Describes the means of sample preparation, continuity checking arrangements, optical testing procedure, the method of burning the cables and gives requirements for evaluating test results. Covers electric data cables which have no rated voltage and are used for extra low voltage circuits. Has the status of a group safety publication in accordance with IEC Guide 104.



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Document Number

IEC 60331-25 Ed. 1.0 b:1999

Revision Level




Publication Date

April 1, 1999

Committee Number