IEC 62677-2:2017

Heat shrinkable low and medium voltage moulded shapes - Part 2: Methods of test

IEC 62677-2:2017 gives methods of test for heat shrinkable low and medium voltage moulded shapes in a range of configurations and materials suitable for insulation, environmental sealing, mechanical protection and strain relief for connector/cable terminations and multi-way transitions.
The tests specified are designed to control the quality of the moulded shapes but it is recognized that they are designed to be used in low and medium voltage cable accessories and as such electrical performance will be proven as part of the assembly. Examples of this are described in EN 50393, HD 629.1 and IEC 60502-4.

Profilés thermorétractables basse et moyenne tensions - Partie 2: Méthodes d'essai

IEC 62677-2:2017 décrit des méthodes d'essai des profilés thermorétractables basse et moyenne tensions dans une gamme de configurations et de matériaux adaptés à l’isolement, aux éléments d’étanchéité contre les intempéries, à la protection mécanique et aux dispositifs compensateurs de traction pour les connecteurs/extrémités de câbles et aux transitions à conducteurs multiples.
Les essais spécifiés sont conçus pour contrôler la qualité des profilés, mais il est reconnu qu'ils sont conçus pour être utilisés dans des accessoires de câbles basse et moyenne tensions et, à ce titre, la performance électrique sera prouvée dans le cadre de l'assemblage. Des exemples sont développés dans l'EN 50393, le HD 629.1 et l'IEC 60502-4.
Mots clés: profilés thermorétractables basse et moyenne tensions

General Information

• Status: Published
• Publication Date: 10-Oct-2017
• ICS: 01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
• ICS: 29.035.01 - Insulating materials in general
• ICS: 29.035.20 - Plastics and rubber insulating materials
• ICS: 29.140.10 - Lamp caps and holders
• Technical Committee: TC 15 - Solid electrical insulating materials
• Drafting Committee: WG 5 - TC 15/WG 5
• Current Stage: PPUB - Publication issued
• Start Date: 03-Nov-2017
• Completion Date: 11-Oct-2017

Standards Content (Sample)

IEC 62677-2
®

Edition 1.0 2017-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE


Heat shrinkable low and medium voltage moulded shapes –
Part 2: Methods of test

Profilés thermorétractables basse et moyenne tensions –
Partie 2: Méthodes d’essai
IEC 62677-2:2017-10(en-fr)

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IEC 62677-2

®


Edition 1.0 2017-10




INTERNATIONAL



STANDARD




NORME



INTERNATIONALE











Heat shrinkable low and medium voltage moulded shapes –

Part 2: Methods of test




Profilés thermorétractables basse et moyenne tensions –

Partie 2: Méthodes d’essai















INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE


INTERNATIONALE




ICS 29.035.20; 29.035.01 ISBN 978-2-8322-4869-0



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

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– 2 – IEC 62677-2:2017 © IEC 2017
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 9
4 Test conditions . 9
5 Standard test specimens . 9
6 Dimensions. 9
6.1 Number of test specimens . 9
6.2 Procedure . 9
6.3 Result . 10
7 Heat shock . 10
7.1 Number of test specimens . 10
7.2 Form of test specimens . 10
7.3 Procedure . 10
7.4 Report. 10
7.5 Result . 10
8 Bending at low temperature . 10
8.1 Number and form of test specimens . 10
8.2 Procedure . 10
8.3 Result . 10
9 Dimensional stability on storage . 10
9.1 Number of test specimens . 10
9.2 Procedure . 11
9.3 Result . 11
10 Tensile strength and elongation at break . 11
10.1 Number and form of test specimens . 11
10.2 Conditioning . 12
10.3 Test temperature . 12
10.4 Procedure . 12
10.5 Calculations . 12
10.6 Report. 12
10.7 Result . 12
11 Secant modulus at 2 % elongation . 13
11.1 Number and form of test specimens . 13
11.2 Procedure . 13
11.3 Calculation . 13
11.4 Report. 13
11.5 Result . 13
12 Electric strength . 13
12.1 Number and form of test specimens . 13
12.2 Conditioning . 13
12.3 Electrodes . 13
12.4 Procedure . 14
12.5 Report. 14

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IEC 62677-2:2017 © IEC 2017 – 3 –
12.6 Result . 14
13 Volume resistivity . 14
13.1 Number and form of test specimens . 14
13.2 Electrodes . 14
13.3 Procedure . 14
13.4 Report. 14
13.5 Result . 14
14 Permittivity and dissipation factor . 14
14.1 Number and form of test specimens . 14
14.2 Electrodes . 14
14.3 Procedure . 14
14.4 Calculation . 14
14.5 Result . 15
15 Resistance to tracking . 15
15.1 Procedure . 15
15.2 Report. 15
15.3 Result . 15
16 Flammability . 15
16.1 Method A . 15
16.1.1 Number and form of test specimens . 15
16.1.2 Procedure . 15
16.1.3 Result . 15
16.2 Method B . 15
16.2.1 Number and form of test specimens . 15
16.2.2 Apparatus . 15
16.2.3 Procedure . 15
16.2.4 Result . 16
17 Carbon black content . 16
17.1 Number and form of test specimens . 16
17.2 Procedure . 16
17.3 Report. 16
17.4 Result . 17
18 Resistance to selected fluids . 17
18.1 Principle . 17
18.2 Choice of fluid . 17
18.3 Methods of assessment . 17
18.4 Number and form of test specimens . 17
18.5 Procedure . 17
18.6 Result . 18
19 Long term heat ageing (3 000 h) . 18
19.1 Number and form of test specimens . 18
19.2 Procedure . 18
19.3 Report. 18
19.4 Result . 18
20 Heat ageing . 18
20.1 Number and form of test specimens . 18
20.2 Procedure . 18
21 Water absorption . 18

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– 4 – IEC 62677-2:2017 © IEC 2017
21.1 Procedure . 18
21.2 Report. 18
21.3 Result . 18
22 Resistance to mould growth . 19
22.1 Test in accordance with ISO 846 . 19
22.2 Report. 19
22.3 Result . 19
23 Peel adhesion . 19
23.1 Principle . 19
23.2 Apparatus . 19
23.3 Form and number of test specimens . 19
23.4 Procedure . 19
23.5 Calculation . 20
23.6 Report. 20
23.7 Result . 20
24 Copper corrosion (presence of corrosive volatiles) . 20
24.1 Principle . 20
24.2 Apparatus . 20
24.3 Number and form of test specimens . 21
24.4 Procedure . 21
24.5 Report. 21
24.6 Result . 21
25 Halogen content . 21
25.1 Method for the determination of low levels of chlorine and/or bromine and/or
iodine . 21
25.1.1 Principle . 21
25.1.2 Apparatus . 22
25.1.3 Procedure . 22
25.2 Determination of low levels of fluorine . 22
25.2.1 Principle . 22
25.2.2 Apparatus . 22
25.2.3 Reagents . 23
25.2.4 Procedure . 23
25.3 Result . 23
26 Adhesive temperature resistance . 23
26.1 Number and form of test specimens . 23
26.2 Procedure . 23
26.3 Report. 23
26.4 Result . 24
27 Resistance to weathering . 24
27.1 Number and form of test specimens . 24
27.2 Procedure . 24
27.3 Report. 24
Bibliography . 25

Figure 1 – Dumb-bell specimen for tensile strength test . 11
Figure 2 – Test arrangement for flammability to Clause 16 method B . 16
Figure 3 – Test arrangement for heat shrink moulded shape on metal tube or cable . 20

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IEC 62677-2:2017 © IEC 2017 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

HEAT SHRINKABLE LOW AND MEDIUM
VOLTAGE MOULDED SHAPES –

Part 2: Methods of test

FOREWORD
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International Standard IEC 62677-2 has been prepared by committee TC15: Solid electrical
insulating materials.
The text of this standard is based on the following documents:
FDIS Report on voting
15/807/FDIS 15/811/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.
A list of all parts in the IEC 62677 series, published under the general title Heat shrinkable
low and medium voltage moulded shapes, can be found on the IEC website.

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– 6 – IEC 62677-2:2017 © IEC 2017
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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IEC 62677-2:2017 © IEC 2017 – 7 –
INTRODUCTION
This part of IEC 62677 is one of a series which deals with heat shrinkable low and medium
voltage moulded shapes. The series consists of three parts:
1
Part 1: General requirements (IEC 62677-1 )
Part 2: Methods of test (IEC 62677-2)
2 3 4
Part 3: Material requirements (IEC 62677-3-101 , IEC 62677-3-102 and IEC 62677-3-103 )

____________
1
Under preparation. Stage at the time of publication: IEC RFDIS IEC 62677-1:2017.
2
Under preparation. Stage at the time of publication: IEC AFDIS IEC 62677-3-101:2017.
3
Under preparation. Stage at the time of publication: IEC AFDIS IEC 62677-3-102:2017.
4
Under preparation. Stage at the time of publication: IEC ACDV IEC 62677-3-103:2017.

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