Solderless connections - Part 6: Insulation piercing connections - General requirements, test methods and practical guidance (IEC 60352-6:2022)

This part of IEC 60352 is applicable to insulation piercing connections made with stranded wires
and tinsel wires, insulated flat conductors and flat flexible circuitries for use in electrical and
electronic equipment.
Information on materials and data from industrial experience is included in addition to the test
procedures to provide electrically stable connections under prescribed environmental
conditions.
The object of this document is to:
– determine the suitability of insulation piercing connections under specified mechanical,
electrical, and atmospheric conditions;
– provide a means of comparing test results when the tools used to make the connections, if
any, are of different designs or manufacture.
There are different designs and materials for insulation piercing terminations in use. For this
reason, only fundamental parameters of the termination, the performance requirements of the
conductor and the complete connection are specified in this document.

Lötfreie Verbindungen - Teil 6: Durchdringverbindungen - Allgemeine Anforderungen, Prüfverfahren und Anwendungshinweise (IEC 60352-6:2022)

Connexions sans soudure - Partie 6: Connexions à percement d'isolant - Règles générales, méthodes d'essai et guide pratique (IEC 60352-6:2022)

La présente partie de la CEI 60352 est applicable aux connexions de perçage d’isolation réalisées avec des fils toronnés et des fils de guirlandes, des conducteurs plats isolés et des circuits plats flexibles destinés à être utilisés dans des équipements électriques et électroniques. Des informations sur les matériaux et des données provenant de l’expérience industrielle sont incluses en plus des procédures d’essai pour fournir des connexions électriquement stables dans les conditions environnementales prescrites. L’objet de ce document est de :


       
  • déterminer l’adéquation des raccords de perçage isolant dans des conditions mécaniques, électriques et atmosphériques spécifiées;

  •    
  • fournir un moyen de comparer les résultats des essais lorsque les outils utilisés pour effectuer les connexions, le cas échéant, sont de conception ou de fabrication différentes.

Spoji brez spajke - 6. del: Spoji, ki prebadajo izolacijo - Splošne zahteve, preskusne metode in praktični napotki (IEC 60352-6:2022)

Ta del standarda IEC 60352 se uporablja za spoje, ki prebadajo izolacijo, izdelane s pramenastimi in opletenimi žicami, izoliranimi ploščatimi vodniki ter ploščatimi fleksibilnimi vezji za uporabo v električni in elektronski opremi.
Poleg preskusnih postopkov so vključene informacije o materialih in podatki na podlagi industrijskih izkušenj, da se zagotovijo stabilni električni spoji v skladu s predpisanimi okoljskimi pogoji.
Cilj tega dokumenta je:
– določiti primernost spojev, ki prebadajo izolacijo, v določenih mehanskih, električnih in atmosferskih pogojih;
– zagotoviti možnosti za primerjavo rezultatov preskusov, kadar so orodja za izdelavo spojev, če obstajajo, različno načrtovana ali izdelana.
V uporabi so različne zasnove in materiali za zaključke, ki prebadajo izolacijo. Zato so v tem dokumentu določeni samo temeljni parametri zaključka, zahteve glede lastnosti vodnika ter celoten spoj.

General Information

Status
Published
Publication Date
30-Jan-2023
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
23-Jan-2023
Due Date
30-Mar-2023
Completion Date
31-Jan-2023

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SLOVENSKI STANDARD
SIST EN IEC 60352-6:2023
01-marec-2023
Spoji brez spajke - 6. del: Spoji, ki prebadajo izolacijo - Splošne zahteve,
preskusne metode in praktični napotki (IEC 60352-6:2022)
Solderless connections - Part 6: Insulation piercing connections - General requirements,
test methods and practical guidance (IEC 60352-6:2022)
Lötfreie Verbindungen - Teil 6: Durchdringverbindungen - Allgemeine Anforderungen,
Prüfverfahren und Anwendungshinweise (IEC 60352-6:2022)
Connexions sans soudure - Partie 6: Connexions à percement d'isolant - Règles
générales, méthodes d'essai et guide pratique (IEC 60352-6:2022)
Ta slovenski standard je istoveten z: EN IEC 60352-6:2023
ICS:
29.120.20 Spojni elementi Connecting devices
SIST EN IEC 60352-6:2023 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN IEC 60352-6:2023

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SIST EN IEC 60352-6:2023


EUROPEAN STANDARD EN IEC 60352-6

NORME EUROPÉENNE

EUROPÄISCHE NORM January 2023
ICS 29.120.20 Supersedes EN 60352-6:1997
English Version
Solderless connections - Part 6: Insulation piercing connections -
General requirements, test methods and practical guidance
(IEC 60352-6:2022)
Connexions sans soudure - Partie 6: Connexions à Lötfreie Verbindungen - Teil 6: Durchdringverbindungen -
percement d'isolant - Exigences générales, méthodes Allgemeine Anforderungen, Prüfverfahren und
d'essai et guide pratique Anwendungshinweise
(IEC 60352-6:2022) (IEC 60352-6:2022)
This European Standard was approved by CENELEC on 2023-01-11. 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.


European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN IEC 60352-6:2023 E

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SIST EN IEC 60352-6:2023
EN IEC 60352-6:2023 (E)
European foreword
The text of document 48B/3001/FDIS, future edition 2 of IEC 60352-6, prepared by SC 48B "Electrical
connectors" of IEC/TC 48 "Electrical connectors and mechanical structures for electrical and electronic
equipment" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as
EN IEC 60352-6:2023.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2023-10-11
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2026-01-11
document have to be withdrawn

This document supersedes EN 60352-6:1997 and all of its amendments and corrigenda (if any).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 60352-6:2022 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 standard indicated:
IEC 60228:2004 NOTE Harmonized as EN 60228:2005 (not modified)
IEC 60512-5-2:2002 NOTE Harmonized as EN 60512-5-2:2002 (not modified)
IEC 60603-7:2020 NOTE Harmonized as EN IEC 60603-7:2020 (not modified)
IEC 61984:2008 NOTE Harmonized as EN 61984:2009 (not modified)
IEC 62430:2019 NOTE Harmonized as EN IEC 62430:2019 (not modified)
2

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SIST EN IEC 60352-6:2023
EN IEC 60352-6:2023 (E)
Annex ZA
(normative)

Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1 Where 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 60068-1 2013 Environmental testing - Part 1: General EN 60068-1 2014
and guidance
IEC 60512-1 2018 Connectors for electrical and electronic EN IEC 60512-1 2018
equipment - Tests and measurements -
Part 1: Generic specification
IEC 60512-1-1 2002 Connectors for electronic equipment - EN 60512-1-1 2002
Tests and measurements - Part 1-1:
General examination - Test 1a: Visual
examination
IEC 60512-1-2 2002 Connectors for electronic equipment - EN 60512-1-2 2002
Tests and measurements - Part 1-2:
General examination - Test 1b:
Examination of dimension and mass
IEC 60512-2-1 2002 Connectors for electronic equipment - EN 60512-2-1 2002
Tests and measurements - Part 2-1:
Electrical continuity and contact resistance
tests - Test 2a: Contact resistance -
Millivolt level method
IEC 60512-2-2 2003 Connectors for electronic equipment - EN 60512-2-2 2003
Tests and measurements - Part 2-2:
Electrical continuity and contact resistance
tests - Test 2b: Contact resistance -
Specified test current method
IEC 60512-2-5 2003 Connectors for electronic equipment - EN 60512-2-5 2003
Tests and measurements - Part 2-5:
Electrical continuity and contact resistance
tests - Test 2e: Contact disturbance
IEC 60512-6-4 2002 Connectors for electronic equipment - EN 60512-6-4 2002
Tests and measurements - Part 6-4:
Dynamic stress tests - Test 6d: Vibration
(sinusoidal)
3

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SIST EN IEC 60352-6:2023
EN IEC 60352-6:2023 (E)
IEC 60512-9-2 2011 Connectors for electronic equipment - EN 60512-9-2 2012
Tests and measurements - Part 9-2:
Endurance tests - Test 9b: Electrical load
and temperature
IEC 60512-11-1 2019 Connectors for electrical and electronic EN IEC 60512-11-1 2019
equipment - Tests and measurements -
Part 11-1: Climatic tests - Test 11a -
Climatic sequence
IEC 60512-11-4 2002 Connectors for electronic equipment - EN 60512-11-4 2002
Tests and measurements - Part 11-4:
Climatic tests - Test 11d: Rapid change of
temperature
IEC 60512-11-7 2003 Connectors for electronic equipment - EN 60512-11-7 2003
Tests and measurements - Part 11-7:
Climatic tests - Test 11g: Flowing mixed
gas corrosion test
IEC 60512-11-9 2002 Connectors for electronic equipment - EN 60512-11-9 2002
Tests and measurements - Part 11-9:
Climatic tests - Test 11i: Dry heat
IEC 60512-11-10 2002 Connectors for electronic equipment - EN 60512-11-10 2002
Tests and measurements - Part 11-10:
Climatic tests - Test 11j: Cold
IEC 60512-11-12 2002 Connectors for electronic equipment - EN 60512-11-12 2002
Tests and measurements - Part 11-12:
Climatic tests - Test 11m: Damp heat,
cyclic
IEC 60512-16-20 1996 Electromechanical components for EN 60512-16-20 1996
electronic equipment - Basic testing
procedures and measuring methods - Part
16: Mechanical tests on contacts and
terminations - Section 20: Test 16t:
Mechanical strength (wired termination of
solderless connections)

4

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SIST EN IEC 60352-6:2023



IEC 60352-6

®


Edition 2.0 2022-12




INTERNATIONAL



STANDARD




NORME


INTERNATIONALE











Solderless connections –

Part 6: Insulation piercing connections – General requirements, test methods

and practical guidance



Connexions sans soudure –

Partie 6: Connexions à percement d’isolant – Exigences générales, méthodes


d’essai et guide pratique













INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE


INTERNATIONALE




ICS 29.120.20 ISBN 978-2-8322-6085-2




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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SIST EN IEC 60352-6:2023
– 2 – IEC 60352-6:2022 © IEC 2022
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 9
4 Requirements . 12
4.1 Workmanship . 12
4.2 Tools . 12
5 Pre-requisites for the qualification test schedule . 12
5.1 Insulation piercing terminations . 12
5.1.1 Materials . 12
5.1.2 Dimensions . 12
5.1.3 Surface finishes . 13
5.1.4 Design features . 13
5.2 Insulated conductors . 13
5.2.1 General . 13
5.2.2 Materials . 13
5.2.3 Dimensions . 13
5.2.4 Surface finishes . 13
5.2.5 Insulation . 13
5.3 Insulation piercing connections . 14
6 Testing . 14
6.1 Overview. 14
6.2 General . 14
6.3 Standard conditions for testing . 14
6.4 Preconditioning . 14
6.5 Recovery . 15
6.6 Mounting of the specimen . 15
7 Tests . 15
7.1 General examination . 15
7.2 Mechanical tests . 15
7.2.1 Tensile strength . 15
7.2.2 Bending of the wire/cable . 15
7.2.3 Vibration . 17
7.3 Electrical tests . 18
7.3.1 General . 18
7.3.2 Contact resistance . 18
7.3.3 Electrical load and temperature . 20
7.4 Climatic tests . 20
7.4.1 General . 20
7.4.2 Rapid change of temperature . 21
7.4.3 Climatic sequence . 21
7.4.4 Flowing mixed gas corrosion test . 21
7.4.5 Damp heat cyclic . 21
8 Test schedules . 22
8.1 General . 22

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SIST EN IEC 60352-6:2023
IEC 60352-6:2022 © IEC 2022 – 3 –
8.1.1 Overview . 22
8.1.2 Insulation piercing connections with terminations suitable for a range of
wire diameters . 22
8.1.3 Multipole components . 22
8.2 Qualification test schedule . 23
8.2.1 General . 23
8.2.2 Initial examination . 23
8.2.3 Testing of insulation piercing connections . 23
8.3 Application test schedule . 25
8.3.1 General . 25
8.3.2 Initial examination . 25
8.3.3 Testing of insulation piercing connections . 25
8.4 Flow charts . 26
Annex A (informative) Practical guidance . 29
A.1 General information on insulation piercing terminations . 29
A.2 Current-carrying capacity . 29
A.3 Tool information . 29
A.4 Termination information . 30
A.4.1 General . 30
A.4.2 Materials . 31
A.4.3 Surface finishes . 31
A.4.4 Dimensions . 31
A.5 Conductor information . 31
A.5.1 General . 31
A.5.2 Material . 31
A.5.3 Dimensions . 31
A.5.4 Surface finishes . 31
A.5.5 Insulation . 31
A.5.6 Stripping information for cables (cords) and wires . 31
A.6 Connection information . 32
A.7 Axial load . 33
Bibliography . 34

Figure 1 – Example of an integrated insulation piercing connection (one connection
shown) . 10
Figure 2 – Example of an insulation piercing connection with insulated flat conductor . 11
Figure 3 – Example of an insulation piercing connection in a barrel with stranded wires . 11
Figure 4 – Test arrangement, bending of single wire . 16
Figure 5 – Test arrangement, bending of flat conductor, flat flexible circuitry . 17
Figure 6 – Test arrangement, vibration . 17
Figure 7 – Test arrangement, contact resistance (measuring method for tinsel wire,

flat conductor, flat flexible circuitry) . 19
Figure 8 – Test arrangement, contact resistance (measuring method for stranded
wires). 19
Figure 9 – Qualification test schedule (see 8.2) . 27
Figure 10 – Application test schedule (see 8.3) . 28
Figure A.1 – Example of an insulation piercing termination as an integral part of a
component . 30

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SIST EN IEC 60352-6:2023
– 4 – IEC 60352-6:2022 © IEC 2022
Figure A.2 – Example of an insulation piercing termination for flat conductor . 30
Figure A.3 – Example of an insulation piercing termination for stranded wires . 30
Figure A.4 – Examples of round, flat and flat oval sheath cable . 32
Figure A.5 – Example of a flexible circuitry . 32
Figure A.6 – Example of an integrated insulation piercing connection . 32
Figure A.7 – Example of an integrated insulation piercing connection in a barrel with
stranded wires . 33

Table 1 – Vibration, preferred test severities . 18
Table 2 – Contact resistance of insulation piercing connections, maximum permitted
values . 20
Table 3 – Number of specimens required . 22
Table 4 – Qualification test schedule – Test group A . 23
Table 5 – Qualification test schedule – Test group B . 23
Table 6 – Qualification test schedule – Test group C . 24
Table 7 – Qualification test schedule – Test group D . 25
Table 8 – Application test schedule – Test group 1 . 26
Table 9 – Application test schedule – Test group 2 . 26
Table A.1 – Axial load F . 33

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SIST EN IEC 60352-6:2023
IEC 60352-6:2022 © IEC 2022 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

SOLDERLESS CONNECTIONS –

Part 6: Insulation piercing connections –
General requirements, test methods and practical guidance

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.
IEC 60352-6 has been prepared by subcommittee 48B: Electrical connectors, of IEC technical
committee 48: Electrical connectors and mechanical structures for electrical and electronic
equipment. It is an International Standard.
This second edition cancels and replaces the first edition published in 1997. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) axial load in 7.2.2 provided in a table in Annex A rather than as percentage of breaking load
of the wire;
b) different approach to measure contact resistance provided in 7.3.2.3.

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SIST EN IEC 60352-6:2023
– 6 – IEC 60352-6:2022 © IEC 2022
The text of this International Standard is based on the following documents:
Draft Report on voting
48B/3001/FDIS 48B/3009/RVD

Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/standardsdev/publications.
A list of all parts in the IEC 60352 series, published under the general title Solderless
connections, can be found on the IEC website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under 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 IEC 60352-6:2023
IEC 60352-6:2022 © IEC 2022 – 7 –
INTRODUCTION
This part of IEC 60352 applies to solderless connections made by insulation piercing (IP) and
includes requirements, tests and practical guidance information for such connection technology.
Two test schedules are provided:
– a qualification test schedule that applies to insulation piercing connections which conform
to all pre-requisites of Clause 5, which are derived from experience with successful
applications of such insulation piercing connections;
– an application test schedule that applies to insulation piercing connections made with
suitable IP termination which are integral part of a component and are already fulfilling the
pre-requisites of Clause 5.
IEC Guide 109 advocates the need to minimize the impact of a product on the natural
environment throughout the product life cycle. IEC 62430 provides principles, requirements and
guidance t
...

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