Fire hazard testing - Part 1-10: Guidance for assessing the fire hazard of electrotechnical products - General guidelines (IEC 60695-1-10:2016)

IEC 60695-1-10:2009 provides general guidance on how to reduce to acceptable levels the risk of fire and the potential effects of fires involving electrotechnical products. It also describes the relationship between fire risk and the potential effects of fire, it also emphasises the importance of the scenario approach to fire hazard and risk assessment and discusses criteria intended to ensure the development of technically sound hazard-based fire test methods. It has the status of a basic safety publication in accordance with IEC Guide 104 and ISO/IEC Guide 51.

Prüfungen zur Beurteilung der Brandgefahr - Teil 1-10: Anleitung zur Beurteilung der Brandgefahr von elektrotechnischen Erzeugnissen - Allgemeiner Leitfaden (IEC 60695-1-10:2016)

Essais relatifs aux risques du feu - Partie 1-10: Guide pour l'évaluation des risques du feu des produits électrotechniques - Lignes directrices générales (IEC 60695-1-10:2016)

La CEI 60695-1-10:2009 fournit des lignes directrices générales sur la manière de réduire à des niveaux acceptables le risque d'incendie et les effets potentiels des incendies impliquant des produits électrotechniques. Elle décrit la relation entre le risque d'incendie et les effets potentiels des incendies. Elle souligne l'importance de l'approche par scénario pour l'évaluation des dangers du feu et des risques d'incendie. Elle débat également des critères visant à assurer le développement de méthodes d'essai au feu basées sur les dangers qui soient techniquement solides. La présente publication fondamentale de sécurité est destinée aux comités d'études dans le cadre de l'élaboration de normes conformes aux principes exposés dans le Guide CEI 104 et le Guide ISO/CEI 51.

Preskušanje požarne ogroženosti - 1-10. del: Navodilo za ocenjevanje požarne varnosti elektrotehniških izdelkov - Splošne smernice (IEC 60695-1-10:2016)

Standard IEC 60695-1-10:2009 podaja splošne smernice za zmanjševanje nevarnosti požara in morebitnih vplivov požarov pri elektrotehniških izdelkih na sprejemljivo raven. Opisuje tudi razmerje med nevarnostjo in morebitnimi vplivi požara, poudarja pomembnost pristopa na temelju predvidenih potekov dogodkov glede nevarnosti požara in ocenjevanja tveganja ter obravnava merila, ki zagotavljajo razvoj tehnično ustreznih metod za preskušanje požarne ogroženosti. Ta standard ima status osnovne varnostne publikacije v skladu z vodili IEC 104 in ISO/IEC 51.

General Information

Status
Published
Publication Date
13-Mar-2017
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
09-Mar-2017
Due Date
14-May-2017
Completion Date
14-Mar-2017

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SLOVENSKI STANDARD
SIST EN 60695-1-10:2017
01-maj-2017
1DGRPHãþD
SIST EN 60695-1-10:2010
Preskušanje požarne ogroženosti - 1-10. del: Navodilo za ocenjevanje požarne
varnosti elektrotehniških izdelkov - Splošne smernice (IEC 60695-1-10:2016)

Fire hazard testing - Part 1-10: Guidance for assessing the fire hazard of electrotechnical

products - General guidelines (IEC 60695-1-10:2016)

Prüfungen zur Beurteilung der Brandgefahr - Teil 1-10: Anleitung zur Beurteilung der

Brandgefahr von elektrotechnischen Erzeugnissen - Allgemeiner Leitfaden (IEC 60695-1

-10:2016)

Essais relatifs aux risques du feu - Partie 1-10: Guide pour l'évaluation des risques du

feu des produits électrotechniques - Lignes directrices générales (IEC 60695-1-10:2016)

Ta slovenski standard je istoveten z: EN 60695-1-10:2017
ICS:
13.220.40 Sposobnost vžiga in Ignitability and burning
obnašanje materialov in behaviour of materials and
proizvodov pri gorenju products
29.020 Elektrotehnika na splošno Electrical engineering in
general
SIST EN 60695-1-10:2017 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 60695-1-10:2017
---------------------- Page: 2 ----------------------
SIST EN 60695-1-10:2017
EUROPEAN STANDARD EN 60695-1-10
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2017
ICS 13.220.40; 29.020 Supersedes EN 60695-1-10:2010
English Version
Fire hazard testing - Part 1-10: Guidance for assessing the fire
hazard of electrotechnical products - General guidelines
(IEC 60695-1-10:2016)

Essais relatifs aux risques du feu - Partie 1-10: Lignes Prüfungen zur Beurteilung der Brandgefahr -

directrices pour l'évaluation des risques du feu des produits Teil 1-10: Anleitung zur Beurteilung der Brandgefahr von

électrotechniques - Lignes directrices générales elektrotechnischen Erzeugnissen - Allgemeiner Leitfaden

(IEC 60695-1-10:2016) (IEC 60695-1-10:2016)

This European Standard was approved by CENELEC on 2016-12-23. CENELEC members are bound to comply with the CEN/CENELEC

Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC

Management Centre or to any CENELEC member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation

under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the

same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,

Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,

Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,

Switzerland, Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN 60695-1-10:2017 E
---------------------- Page: 3 ----------------------
SIST EN 60695-1-10:2017
EN 60695-1-10:2017
European foreword

The text of document 89/1341/FDIS, future edition 2 of IEC 60695-1-10, prepared by IEC/TC 89 "Fire

hazard testing" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as

EN 60695-1-10:2017.
The following dates are fixed:
(dop) 2017-09-23
• latest date by which the document has to be implemented at
national level by publication of an identical national
standard or by endorsement
(dow) 2019-12-23
• latest date by which the national standards conflicting with
the document have to be withdrawn
This document supersedes EN 60695-1-10:2010.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such

patent rights.
Endorsement notice

The text of the International Standard IEC 60695-1-10:2016 was approved by CENELEC as a

European Standard without any modification.

In the official version, for Bibliography, the following notes have to be added for the standards indicated:

IEC 60950-1 NOTE Harmonized as EN 60950-1.
IEC 60065 NOTE Harmonized as EN 60065.
IEC 60332-1-2 NOTE Harmonized as EN 60332-1-2.
IEC 62368-1 NOTE Harmonized as EN 62368-1.
IEC 60695-1 NOTE Harmonized in EN 60695-1 series.
IEC 60695-2 NOTE Harmonized in EN 60695-2 series.
IEC 60695-5 NOTE Harmonized in EN 60695-5 series.
IEC 60695-6 NOTE Harmonized in EN 60695-6 series.
IEC 60695-7 NOTE Harmonized in EN 60695-7 series.
IEC 60695-8 NOTE Harmonized in EN 60695-8 series.
IEC 60695-9 NOTE Harmonized in EN 60695-9 series.
---------------------- Page: 4 ----------------------
SIST EN 60695-1-10:2017
EN 60695-1-10:2017
IEC 60695-10 NOTE Harmonized in EN 60695-10 series.
IEC 60695-11 NOTE Harmonized in EN 60695-11 series.
IEC 60695-1-20 NOTE Harmonized as EN 60695-1-20.
IEC/TS 62441 NOTE Harmonized as CLC/TS 62441.
---------------------- Page: 5 ----------------------
SIST EN 60695-1-10:2017
EN 60695-1-10:2017
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following documents, in whole or in part, are normatively referenced in this document and are

indispensable for its application. For dated references, only the edition cited applies. For undated

references, the latest edition of the referenced document (including any amendments) applies.

NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod),

the relevant EN/HD applies.

NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is

available here: www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60079-0 - Explosive atmospheres - Part 0: EN 60079-0 -
Equipment - General requirements
IEC 60695-1-11 - Fire hazard testing - Part 1-11: EN 60695-1-11 -
Guidance for assessing the fire hazard
of electrotechnical products - Fire
hazard assessment
IEC 60695-1-12 - Fire hazard testing - Part 1-12: - -
Guidance for assessing the fire hazard
of electrotechnical products - Fire safety
engineering
IEC 60695-1-30 - Fire hazard testing - Part 1-30: EN 60695-1-30 -
Guidance for assessing the fire hazard
of electrotechnical products -
Preselection testing process - General
guidelines
IEC 60695-4 2012 Fire hazard testing - Part 4: Terminology EN 60695-4 2012
concerning fire tests for electrotechnical
products
IEC Guide 104 - The preparation of safety publications - -
and the use of basic safety publications
and group safety publications
ISO/IEC Guide 51 - Safety aspects - Guidelines for their - -
inclusion in standards
ISO 13943 2008 Fire safety - Vocabulary EN ISO 13943 2010
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SIST EN 60695-1-10:2017
IEC 60695-1-10
Edition 2.0 2016-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
BASIC SAFETY PUBLICATION
PUBLICATION FONDAMENTALE DE SÉCURITÉ
Fire hazard testing –
Part 1-10: Guidance for assessing the fire hazard of electrotechnical products –
General guidelines
Essais relatifs aux risques du feu –

Partie 1-10: Lignes directrices pour l'évaluation des risques du feu des produits

électrotechniques – Lignes directrices générales
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 13.220.40; 29.020 ISBN 978-2-8322-3755-7

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 7 ----------------------
SIST EN 60695-1-10:2017
– 2 – IEC 60695-1-10:2016  IEC 2016
CONTENTS

FOREWORD ........................................................................................................................... 3

INTRODUCTION ..................................................................................................................... 5

1 Scope .............................................................................................................................. 6

2 Normative references ...................................................................................................... 6

3 Terms and definitions ...................................................................................................... 7

4 Fire hazards associated with electrotechnical products .................................................... 9

5 Fundamentals of fire hazard testing ............................................................................... 10

5.1 Objectives ............................................................................................................. 10

5.2 Fire hazard and fire risk ........................................................................................ 10

5.2.1 Fire hazard .................................................................................................... 10

5.2.2 Fire risk ......................................................................................................... 12

5.3 Fire scenarios ....................................................................................................... 13

5.4 Fire-safety engineering ......................................................................................... 15

5.5 Fire hazard assessment ........................................................................................ 15

6 Types of fire test ............................................................................................................ 15

6.1 General ................................................................................................................. 15

6.2 Quantitative and qualitative groups of fire tests ..................................................... 15

6.2.1 Quantitative fire tests ..................................................................................... 15

6.2.2 Qualitative fire tests ....................................................................................... 16

6.3 Types of fire tests ................................................................................................. 16

6.3.1 Fire simulation test ........................................................................................ 16

6.3.2 Fire resistance tests ...................................................................................... 16

6.3.3 Tests with regard to reaction to fire ................................................................ 16

6.3.4 Preselection fire tests .................................................................................... 16

6.3.5 Basic property tests ....................................................................................... 17

7 Appropriate use of qualitative fire tests .......................................................................... 17

8 Preparation of requirements and test specifications ....................................................... 17

9 Common ignition sources .............................................................................................. 18

10 Reference documents of TC 89 ..................................................................................... 18

Annex A (informative) The power output of ignition sources ................................................. 19

A.1 General ................................................................................................................. 19

A.2 Some common electrical and non-electrical ignition sources ................................. 19

A.3 Power source classification in IEC 62368-1 [9] ...................................................... 20

Annex B (informative) Guidance publications and test methods ........................................... 21

Bibliography .......................................................................................................................... 23

Table 1 – Common causes of ignition encountered in electrotechnical products .................... 11

Table 2 – Characteristics of fire stages (from Table 1 in ISO 19706:2011 [22]) ..................... 14

Table A.1 – Examples of ignition sources .............................................................................. 20

Table B.1 – TC 89 guidance publications and test methods .................................................. 21

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SIST EN 60695-1-10:2017
IEC 60695-1-10:2016  IEC 2016 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FIRE HAZARD TESTING –
Part 1-10: Guidance for assessing the fire hazard of
electrotechnical products – General guidelines
FOREWORD

1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

all national electrotechnical committees (IEC National Committees). The object of IEC is to promote

international co-operation on all questions concerning standardization in the electrical and electronic fields. To

this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,

Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC

Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested

in the subject dealt with may participate in this preparatory work. International, governmental and non-

governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely

with the International Organization for Standardization (ISO) in accordance with conditions determined by

agreement between the two organizations.

2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international

consensus of opinion on the relevant subjects since each technical committee has representation from all

interested IEC National Committees.

3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC

Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any

misinterpretation by any end user.

4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications

transparently to the maximum extent possible in their national and regional publications. Any divergence

between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in

the latter.

5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity

assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any

services carried out by independent certification bodies.

6) All users should ensure that they have the latest edition of this publication.

7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and

members of its technical committees and IEC National Committees for any personal injury, property damage or

other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and

expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC

Publications.

8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is

indispensable for the correct application of this publication.

9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of

patent rights. IEC shall not be held responsible for identifying any or all such patent rights.

International Standard IEC 60695-1-10 has been prepared by IEC technical committee 89:

Fire hazard testing.

This second edition cancels and replaces the first edition published in 2009. This edition

constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous

edition:
a) reference to IEC 60695-1-12;
b) modified Introduction and Scope;
c) updated normative references;
d) updated terms and definitions;
e) modified Table 1;
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SIST EN 60695-1-10:2017
– 4 – IEC 60695-1-10:2016  IEC 2016
f) addition of Table 2;
g) new text in Subclauses 5.2, 5.3 and 5.4;
h) mandatory text in Clause 8;
i) Annex B changed to Annex A, and modified;
j) new Annex B concerning common ignition sources.
The text of this standard is based on the following documents:
FDIS Report on voting
89/1341/FDIS 89/1347/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.

It has the status of a basic safety publication in accordance with IEC Guide 104 and

ISO/IEC Guide 51.

This standard is to be used in conjunction with IEC 60695-1-11 and IEC 60695-1-12.

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.
IEC 60695-1 consists of the following parts:

Part 1-10: Guidance for assessing the fire hazard of electrotechnical products – General

guidelines

Part 1-11: Guidance for assessing the fire hazard of electrotechnical products – Fire hazard

assessment

Part 1-12: Guidance for assessing the fire hazard of electrotechnical products – Fire-safety

engineering

Part 1-20: Guidance for assessing the fire hazard of electrotechnical products – Ignitability –

General guidance

Part 1-21: Guidance for assessing the fire hazard of electrotechnical products – Ignitability –

Summary and relevance of test methods

Part 1-30: Guidance for assessing the fire hazard of electrotechnical products – Preselection

testing process – General guidelines

Part 1-40: Guidance for assessing the fire hazard of electrotechnical products – Insulating

liquids

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 data related to

the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
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SIST EN 60695-1-10:2017
IEC 60695-1-10:2016  IEC 2016 – 5 –
INTRODUCTION

In the design of any electrotechnical product, the risk of fire and the potential hazards

associated with fire need to be considered. In this respect the objective of component, circuit

and equipment design, as well as the choice of materials, is to reduce the risk of fire to a

tolerable level even in the event of reasonably foreseeable (mis)use, malfunction or failure.

This standard, together with its companions, IEC 60695-1-11 and IEC 60695-1-12, provides

guidance on how this is to be accomplished.

The use of compartments with fire-resistant boundaries, and the use of detection and

suppression systems are important methods for the mitigation of fire risk, but are not dealt

with in this standard. Fires involving electrotechnical products can be initiated from external

non-electrical sources. Considerations of this nature are dealt with in an overall fire hazard

assessment.

The aim of the IEC 60695 series of standards is to save lives and property by reducing the

number of fires or reducing the consequences of the fire. This can be accomplished by:

• trying to prevent ignition caused by an electrically energised component part and, in the

event of ignition, to confine any resulting fire within the bounds of the enclosure of the

electrotechnical product;

• trying to minimise flame spread beyond the product’s enclosure and to minimise the

harmful effects of fire effluents including heat, smoke, and toxic or corrosive combustion

products.

Assessing the fire hazard of electrotechnical products is accomplished by performing fire

hazard tests. These tests are divided into two fundamental groups: qualitative fire tests and

quantitative fire tests.

Fire testing of electrotechnical products should, whenever possible, be carried out using

quantitative fire tests having the following characteristics.

a) The test should take into account the circumstances of product use, i.e. contemplated

end-use conditions as well as foreseeable abnormal use. This is because fire conditions

that may be hazardous under one set of circumstances will not necessarily pose the same

threat under a different set.

b) It should be possible to correlate the test results with the harmful effects of fire effluents

referred to above, i.e. the thermal and airborne threats to people and/or property in the

relevant end-use situation. This avoids the creation of artificial, and sometimes distorted,

performance scales with no clear relationship to fire safety.

c) Recognizing that there are usually multiple contributions to the effects of real fires, the

test results should be expressed in well-defined terms and using rational scientific units,

so that the product's contribution to the overall fire effects can be quantitatively assessed

and compared with that of other products’ contributions.

Although quantitative tests are preferred, the characteristics of qualitative fire tests are that

they provide pass/fail and classification results. Under certain circumstances it will be

appropriate to maintain such qualitative test methods or to develop new ones. This part of

IEC 60695-1 establishes the circumstances under which such maintenance or development is

appropriate.
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SIST EN 60695-1-10:2017
– 6 – IEC 60695-1-10:2016  IEC 2016
FIRE HAZARD TESTING –
Part 1-10: Guidance for assessing the fire hazard of
electrotechnical products – General guidelines
1 Scope

This part of IEC 60695-1 provides general guidance with respect to fire hazard testing on how

to reduce to a tolerable level the risk of fire and the potential effects of fires involving

electrotechnical products. It also serves as a signpost standard to the other guidance

publications in the IEC 60695 series.

It does not give guidance on the use of fire-resistant compartment boundaries or on the use of

detection and suppression systems for the mitigation of fire risk.

It describes the relationship between fire risk and the potential effects of fire, and provides

guidance to IEC product committees on the applicability of qualitative and quantitative fire

tests to the fire hazard assessment of electrotechnical products. Details of the calculation of

fire risk are not included in the scope of this document.

It emphasises the importance of the scenario approach to fire hazard and risk assessment

and discusses criteria intended to ensure the development of technically sound hazard-based

fire test methods.

It discusses the different types of fire tests, in particular the nature of qualitative and

quantitative fire tests. It also describes the circumstances under which it is appropriate for

IEC product committees to maintain or develop qualitative fire tests.

This standard is intended as guidance to IEC committees, and is to be used with respect to

their individual applications.

This basic safety publication is intended for use by technical committees in the preparation of

standards in accordance with the principles laid down in IEC Guide 104 and
ISO/IEC Guide 51.

One of the responsibilities of a technical committee is, wherever applicable, to make use of

basic safety publications in the preparation of its publications. The requirements, test

methods or test conditions of this basic safety publication will not apply unless specifically

referred to or included in the relevant publications.
2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and

are indispensable for its application. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any
amendments) applies.
IEC 60079-0, Explosive atmospheres − Part 0: Equipment − General requirements

IEC 60695-1-11, Fire hazard testing – Part 1-11: Guidance for assessing the fire hazard of

electrotechnical products – Fire hazard assessment
---------------------- Page: 12 ----------------------
SIST EN 60695-1-10:2017
IEC 60695-1-10:2016  IEC 2016 – 7 –

IEC 60695-1-12, Fire hazard testing – Part 1-12: Guidance for assessing the fire hazard of

electrotechnical products – Fire-safety engineering

IEC 60695-1-30, Fire hazard testing – Part 1-30: Guidance for assessing the fire hazard of

electrotechnical products – Preselection testing process – General guidelines

IEC 60695-4:2012, Fire hazard testing – Part 4: Terminology concerning fire tests for

electrotechnical products

IEC Guide 104, The preparation of safety publications and the use of basic safety publications

and group safety publications
ISO/IEC Guide 51, Safety aspects – Guidelines for their inclusion in standards
ISO 13943:2008, Fire safety – Vocabulary
3 Terms and definitions

For the purposes of this document, the terms and definitions given in IEC 60695-4:2012 and

ISO 13943:2008 (some of which are reproduced below), as well as the following, apply.

3.1
fire

〈general〉 process of combustion characterized by the emission of heat and fire effluent and

usually accompanied by smoke, flame, glowing or a combination thereof

Note 1 to entry: In the English language, the term “fire” is used to designate three concepts, two of which, fire

(3.2) and fire (3.3), relate to specific types of self-supporting combustion with different meanings and two of them

are designated using two different terms in both French and German.
[SOURCE: ISO 13943:2008, 4.96]
3.2
fire

〈controlled〉 self-supporting combustion that has been deliberately arranged to provide useful

effects and is limited in its extent in time and space
[SOURCE: ISO 13943:2008, 4.97]
3.3
fire

〈uncontrolled〉 self-supporting combustion that has not been deliberately arranged to provide

useful effects and is not limited in its extent in time and space
[SOURCE: ISO 13943:2008, 4.98]
3.4
fire hazard

physical object or condition with a potential for an undesirable consequence from fire (3.3)

[SOURCE: ISO 13943:2008, 4.112]
___________
Under preparation. Stage at time of publication: IEC/FDIS 60695-1-30:2016.
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SIST EN 60695-1-10:2017
– 8 – IEC 60695-1-10:2016  IEC 2016
3.5
fire risk

probability of a fire (3.3) combined with a quantified measure of its consequence

Note 1 to entry: It is often calculated as the product of probability and consequence.

[SOURCE: ISO 13943:2008, 4.124]
3.6
fire-safety engineering

application of engineering methods based on scientific principles to the development or

assessment of designs in the built environment through the analysis of specific fire scenarios

(3.7) or through the quantification of risk for a group of fire scenarios
[SOURCE: ISO 13943:2008, 4.126]
3.7
fire scenario

qualitative description of the course of a fire (3.3) with respect to time, identifying key events

that characterise the studied fire and differentiate it from other possible fires

Note 1 to entry: It typically defines the ignition and fire growth processes, the fully developed fire stage, the fire

decay stage, and the environment and systems that impact on the course of the fire.

[SOURCE: ISO 13943:2008, 4.129]
3.8
intermediate-scale fire test
fire test performed on a test specimen of medium dimensions

Note 1 to entry: A fire test performed on a test specimen for which the maximum dimension is between 1 m and

3 m is usually called an intermediate-scale fire test.
[SOURCE: ISO 13943:2008, 4.200]
3.9
large-scale fire test

fire test that cannot be carried out in a typical laboratory chamber, performed on a test

specimen of large dimensions

Note 1 to entry: A fire test performed on a test specimen of which the maximum dimension is greater than 3 m is

usually called a large-scale fire test.
[SOURCE: ISO 13943:2008, 4.205]
3.10
qualitative fire test
fire test which is either:
a) a pass/fail test; or

b) a test which categorizes the behaviour of the test specimen by determining its position in

a rank order of performance
[SOURCE: IEC 60695-4:2012, 3.2.22]
3.11
quantitative fire test
fire test which takes into account the circ
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