AS/NZS IEC 60332.3.24:2021

AS/NZS IEC 60332.3.24:2021 Tests on electric and optical fibre cables under fire conditions Test for vertical flame spread of vertically-mounted bunched wires or cables - Category C

English

CONTENTS

FOREWORD

INTRODUCTION

1 Scope

2 Normative references

3 Terms and 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

5.3.1 Cables having at least one conductor above 35 mm2

5.3.2 Cables having conductors 35 mm2 and below and optical cables

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

Bibliography

Figure 1 – Spaced cables mounted on the front side of the standard ladder

Figure 2 – Touching cables mounted on the front side of the standard ladder (arrays of cables in contact)

Table A.1 – Summary of test conditions