IEC 62821-2:2015
(Main)Electric cables - Halogen-free, low smoke, thermoplastic insulated and sheathed cables of rated voltages up to and including 450/750 V - Part 2: Test methods
Electric cables - Halogen-free, low smoke, thermoplastic insulated and sheathed cables of rated voltages up to and including 450/750 V - Part 2: Test methods
IEC 62821-2:2015 specifies test methods which are particular for cables with insulation, and sheath based on halogen-free, thermoplastic compound, and having low emission of smoke and corrosive gases when exposed to fire, of rated voltages up to and including 450/750 V a.c.
Câbles électriques - Câbles à isolation et gaine thermoplastique sans halogène à faible dégagement de fumée de tension assignée au plus égale à 450/750 V - Partie 2: Méthodes d'essais
L'IEC 62821-2:2015 spécifie les méthodes d'essai particulières pour des câbles à isolation et gaine à base de mélanges thermoplastiques sans halogène, à faible dégagement de fumée et de gaz corrosifs en cas d'exposition au feu, de tension assignée au plus égale à 450/750 V en courant alternatif.
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IEC 62821-2 ®
Edition 1.0 2015-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Electric cables – Halogen-free, low smoke, thermoplastic insulated and sheathed
cables of rated voltages up to and including 450/750 V –
Part 2: Test methods
Câbles électriques – Câbles à isolation et gaine thermoplastique sans halogène
à faible dégagement de fumée, de tension assignée au plus égale à 450/750 V –
Partie 2: Méthodes d'essais
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IEC 62821-2 ®
Edition 1.0 2015-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Electric cables – Halogen-free, low smoke, thermoplastic insulated and sheathed
cables of rated voltages up to and including 450/750 V –
Part 2: Test methods
Câbles électriques – Câbles à isolation et gaine thermoplastique sans halogène à
faible dégagement de fumée, de tension assignée au plus égale à 450/750 V –
Partie 2: Méthodes d'essais
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.060.20 ISBN 978-2-8322-2253-9
– 2 – IEC 62821-2:2015 © IEC 2015
CONTENTS
FOREWORD . 3
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 General requirements . 5
4.1 Pre-conditioning . 5
4.2 Test temperature . 5
4.3 Test voltage . 6
4.4 Test values . 6
5 Test methods . 6
5.1 Electrical test methods . 6
5.1.1 Long-term resistance of insulation to d.c. voltage . 6
5.1.2 Absence of faults in insulation . 6
5.1.3 Surface resistance of sheath . 7
5.1.4 Voltage test on cores in water . 8
5.2 Mechanical test methods. 8
5.2.1 Water immersion on sheath . 8
5.3 Chemical test – Determination of halogens – Elemental test . 9
5.3.1 WARNING . 9
5.3.2 Equipment . 9
5.3.3 Materials . 9
5.3.4 Procedure . 9
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ELECTRIC CABLES – HALOGEN-FREE, LOW SMOKE, THERMOPLASTIC
INSULATED AND SHEATHED CABLES OF RATED VOLTAGES UP TO AND
INCLUDING 450/750 V –
Part 2: Test methods
FOREWORD
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International Standard IEC 62821-2 has been prepared by IEC technical committee 20:
Electric cables.
The text of this standard is based on the following documents:
FDIS Report on voting
20/1553/FDIS 20/1566/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
– 4 – IEC 62821-2:2015 © IEC 2015
A list of all parts in the IEC 62821 series, published under the general title, Electric cables –
Halogen-free, low smoke, thermoplastic insulated and sheathed cables of rated voltages up to
and including 450/750 V, can be found on the IEC website.
The committee has decided that the contents of this publication will remain unchanged until
the stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data
related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
ELECTRIC CABLES – HALOGEN-FREE, LOW SMOKE, THERMOPLASTIC
INSULATED AND SHEATHED CABLES OF RATED VOLTAGES UP TO AND
INCLUDING 450/750 V –
Part 2: Test methods
1 Scope
This part of IEC 62821 specifies test methods which are particular for cables with insulation,
and sheath based on halogen-free, thermoplastic compound, and having low emission of
smoke and corrosive gases when exposed to fire,
...
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