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IEC 60332-3-25 : 1.1

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IEC 60332-3-25 : 1.1

TESTS ON ELECTRIC AND OPTICAL FIBRE CABLES UNDER FIRE CONDITIONS - PART 3-25: TEST FOR VERTICAL FLAME SPREAD OF VERTICALLY-MOUNTED BUNCHED WIRES OR CABLES - CATEGORY D

International Electrotechnical Committee

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Table of Contents

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 Test apparatus
  4.1 General
  4.2 Ignition source
5 Test procedure
  5.1 Test sample
  5.2 Determination of the number of test pieces
  5.3 Mounting of the test sample
  5.4 Flame application time
6 Evaluation of test results
7 Performance requirements
8 Retest procedure
9 Test report
Annex A (normative) Guidance on cable selection for
        type approval testing
Annex B (informative) Recommended performance
        requirements

Abstract

Describes category D and relates only to small cables of overall diameter 12 mm or smaller and cross-section of 35 mm[2] or smaller installed on the test ladder to achieve a nominal total volume of non-metallic material of 0,5 l/m of test sample.

General Product Information

Document Type Standard
Status Current
Publisher International Electrotechnical Committee
Committee TC 20
Supersedes
  • IEC 60332-3 : 2.0
Superseded By
  • IEC 60332-3-25:2018 REDLINE