Fire hazard testing - Part 8-2: Heat release - Summary and relevance of test methods

IEC 60695-8-2:2016 presents a summary of published test methods that are relevant to the determination of the heat released in fire tests on electrotechnical products or materials from which they are formed. It represents the current state of the art of the test methods and, where available, includes special observations on their relevance and use. The list of test methods is not to be considered exhaustive, and test methods that were not developed by the IEC are not to be considered as endorsed by the IEC unless this is specifically stated. Heat release data can be used as part of fire hazard assessment and in fire safety engineering, as discussed in IEC 60695-1-10, IEC 60695-1-11 and IEC 60695-1-12. This standard is to be used in conjunction with IEC 60695-8-1.
Key words: Fire Hazard, Heat Release, Fire Safety Engineering, Test Methods

Essais relatifs aux risques du feu - Partie 8-2: Dégagement de chaleur - Résumé et pertinence des méthodes d'essais

L'IEC 60695-8-2:2016 présente un résumé des méthodes d'essai publiées pertinentes pour la détermination du dégagement de chaleur dans les essais au feu réalisés sur les produits électrotechniques ou les matériaux à partir desquels ils sont constitués. Elle représente l'état actuel de la technique des méthodes d'essai et, le cas échéant, comprend des observations particulières portant sur leur pertinence et utilisation. La liste des méthodes d'essai ne doit pas être considérée comme étant exhaustive, et les méthodes d'essai non élaborées par l'IEC ne doivent pas être considérées comme entérinées par ce dernier sauf indication spécifique. Les données de dégagement de chaleur peuvent être utilisées comme partie intégrante de l'évaluation du danger d'incendie et pour l'ingénierie de la sécurité incendie, comme indiqué dans l'IEC 60695-1-10, l'IEC 60695-1-11 et l'IEC 60695-1-12. Cette Norme internationale doit être utilisée conjointement avec l'IEC 60695-8-1.
Mots-clés: danger d'incendie, dégagement de chaleur, l'ingénierie de la sécurité incendie, méthodes d'essai

General Information

Status
Published
Publication Date
15-Nov-2016
Technical Committee
Drafting Committee
Current Stage
PPUB - Publication issued
Start Date
31-Dec-2016
Completion Date
16-Nov-2016
Ref Project

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IEC 60695-8-2 ®
Edition 1.0 2016-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
BASIC SAFETY PUBLICATION
PUBLICATION FONDAMENTALE DE SÉCURITÉ
Fire hazard testing –
Part 8-2: Heat release – Summary and relevance of test methods

Essais relatifs aux risques du feu –
Partie 8-2: Dégagement de chaleur – Résumé et pertinence des méthodes
d’essais
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IEC 60695-8-2 ®
Edition 1.0 2016-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
BASIC SAFETY PUBLICATION
PUBLICATION FONDAMENTALE DE SÉCURITÉ

Fire hazard testing –
Part 8-2: Heat release – Summary and relevance of test methods

Essais relatifs aux risques du feu –

Partie 8-2: Dégagement de chaleur – Résumé et pertinence des méthodes

d’essais
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 13.220.40; 29.020 ISBN 978-2-8322-3750-2

– 2 – IEC 60695-8-2:2016 © IEC 2016
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 7
4 Summary of test methods . 11
4.1 General . 11
4.2 Measurement of complete combustion . 11
4.2.1 The bomb calorimeter . 11
4.2.2 Purpose and principle . 11
4.2.3 Test specimen . 11
4.2.4 Test procedure . 11
4.2.5 Repeatability and reproducibility . 12
4.2.6 Relevance of test data . 12
4.3 Measurements of incomplete combustion . 12
4.3.1 Cone calorimeter . 12
4.3.2 Microscale calorimetry . 13
4.3.3 The Ohio State University calorimeter . 14
4.3.4 Fire propagation apparatus (ISO 12136) . 15
4.3.5 Single Burning Item (SBI) test . 16
4.3.6 Vertical cable ladder tests . 17
4.3.7 Horizontal cable ladder test . 20
4.3.8 Open calorimetry fire tests . 22
5 Overview of test methods . 22
Bibliography . 24

Table 1 – Summary and comparison of vertical cable ladder tests . 20
Table 2 – Overview of heat release test methods . 22

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FIRE HAZARD TESTING –
Part 8-2: Heat release –
Summary and relevance of test methods

FOREWORD
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patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 60695-8-2 has been prepared by IEC technical committee 89: Fire
hazard testing.
This first edition cancels and replaces IEC TR 60695-8-2 published in 2008. This edition
constitutes a technical revision.
The text of this International Standard is based on the following documents:
FDIS Report on voting
89/1343/FDIS 89/1349/RVD
Full information on the voting for the approval of this International Standard can be found in
the report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.

– 4 – IEC 60695-8-2:2016 © IEC 2016
It has the status of a basic safety publication in accordance with IEC Guide 104 and
ISO/IEC Guide 51.
A list of all the parts in the IEC 60695 series, under the general title Fire hazard testing, can
be found on the IEC website.
This International Standard is to be used in conjunction with IEC 60695-8-1.
IEC 60695-8 consists of the following parts:
• Part 8-1: Heat release – General guidance
• Part 8-2: Heat release – Summary and relevance of test methods
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the da
...

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