AS/NZS 1660.5.2:2006

AS/NZS 1660.5.2:2006 TEST METHODS FOR ELECTRIC CABLES, CORDS AND CONDUCTORS - FIRE TESTS-MEASUREMENT OF SMOKE DENSITY OF...

PREFACE

CONTENTS

SECTION 1 SCOPE AND GENERAL

1.1 SCOPE

1.2 REFERENCES

1.3 DEFINITIONS

SECTION 2 TEST APPARATUS

2.1 DETAILS OF TEST ENCLOSURE

2.2 PHOTOMETRIC SYSTEM

2.2.1 Configuration

2.2.2 Light source

2.2.3 Photocell

2.2.4 Adjustment

2.3 STANDARD FIRE SOURCE

2.4 SMOKE MIXING

2.5 BLANK TEST

2.5.1 Purpose

2.5.2 Procedure

2.6 QUALIFICATION OF TEST APPARATUS

2.7 QUALIFICATION BURNING TEST

2.7.1 Purpose

2.7.2 Preparation of cube

2.7.3 Qualification fire sources

2.7.4 Test procedure

2.7.5 Calculation

2.7.6 Requirements

SECTION 3 TEST PROCEDURE AND REQUIREMENTS

3.1 TEST APPARATUS

3.2 TEST ASSEMBLY

3.2.1 Test sample

3.2.2 Cable test piece selection and test sample assembly

3.2.3 Positioning of test sample

3.3 TEST PROCEDURE

3.3.1 Temperature within cube

3.3.2 Blank test

3.3.3 Fire source

3.3.4 Alcohol ignition

3.3.5 Conclusion of test

3.3.6 Recording

3.3.7 Extraction of combustion products

3.4 EVALUATION OF TEST RESULTS

3.5 RETEST PROCEDURE

3.6 TEST REPORT

APPENDIX A - GUIDANCE NOTES

A1 THE CHAMBER ENVIRONMENT AND IGNITION SOURCE

A2 OPTICAL SYSTEM

APPENDIX B - GUIDANCE ON THE PRINCIPLES AND USE OF SMOKE MEASUREMENTS

B1 BACKGROUND

B1.1 Bouguer's Law

B1.2 Extinction area

B1.3 Visibility

B2 USE OF PARAMETERS MEASURED IN THE STANDARD

APPENDIX C - RECOMMENDED PERFORMANCE REQUIREMENTS