AS/NZS 1660.5.2:1998

AS/NZS 1660.5.2:1998 TEST METHODS FOR ELECTRIC CABLES, CORDS AND CONDUCTORS - FIRE TESTS—SMOKE DENSITY

PREFACE

CONTENTS

SECTION 1 SCOPE

SECTION 2 TEST APPARATUS

2.1 DETAILS OF APPARATUS

2.2 PHOTOMETRIC SYSTEM

2.2.1 Photometric system illustration

2.2.2 Light source

2.2.3 Receptor photocell

2.2.4 Energization

2.3 STANDARD FIRE SOURCE

2.4 BLANK TEST

2.4.1 Purpose

2.4.2 Procedure

2.4.2.1 Combustion

2.4.2.2 Purging

2.5 QUALIFICATION OF TEST APPARATUS

2.6 QUALIFICATION BURNING TEST

2.6.1 Purpose

2.6.2 Preparation of cube

2.6.3 Qualification fire sources

2.6.4 Test procedure

2.6.5 Calculation

2.6.6 Requirements

2.7 SMOKE MIXING

SECTION 3 TEST PROCEDURE AND REQUIREMENTS

3.1 TEST ASSEMBLY

3.1.1 Cable test pieces

3.1.2 Cable selection and assembly

3.1.2.1 Selection of number of test pieces

3.1.2.2 Assembly of test pieces

3.1.3 Positioning of the test pieces

3.2 TEST PROCEDURE

APPENDIX A - LIST OF METHODS OF TEST IN THE AS/NZS 1660 SERIES

APPENDIX B - GUIDANCE ON TEST PROCEDURE

B1 THE CHAMBER ENVIRONMENT AND IGNITION SOURCE

B2 OPTICAL SYSTEM