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SLOVENSKI STANDARD
01-september-2018
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SIST EN 60974-9:2010
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Arc welding equipment - Part 9: Installation and use (IEC 60974-9:2018)
Lichtbogenschweißeinrichtungen - Teil 9: Errichten und Betreiben (IEC 60974-9:2018)
Matériel de soudage à l'arc - Partie 9: Installation et utilisation (IEC 60974-9:2018)
Ta slovenski standard je istoveten z: EN IEC 60974-9:2018
ICS:
25.160.30 Varilna oprema Welding equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 60974-9
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2018
ICS 25.160.30 Supersedes EN 60974-9:2010
English Version
Arc welding equipment - Part 9: Installation and use
(IEC 60974-9:2018)
Matériel de soudage à l'arc - Partie 9: Installation et Lichtbogenschweißeinrichtungen - Teil 9: Errichten und
utilisation Betreiben
(IEC 60974-9:2018) (IEC 60974-9:2018)
This European Standard was approved by CENELEC on 2018-06-01. 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: Rue de la Science 23, B-1040 Brussels
© 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60974-9:2018 E
European foreword
The text of document 26/648/FDIS, future edition 2 of IEC 60974-9, prepared by IEC/TC 26 "Electric
welding" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as
The following dates are fixed:
(dop) 2019-03-01
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2021-06-01
• latest date by which the national
standards conflicting with the
document have to be withdrawn
This document supersedes EN 60974-9:2010.
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.
Endorsement notice
The text of the International Standard IEC 60974-9:2018 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 60204-1 NOTE Harmonized as EN 60204-1.
IEC 60364-4-41 NOTE Harmonized as HD 60364-4-41.
IEC 60974-2 NOTE Harmonized as EN 60974-2.
IEC 60974-3 NOTE Harmonized as EN 60974-3.
IEC 60974-5:2013 NOTE Harmonized as EN 60974-5:2013 (not modified).
IEC 60974-6:2015 NOTE Harmonized as EN 60974-6:2016 (not modified).
IEC 60974-7 NOTE Harmonized as EN 60974-7.
IEC 60974-8 NOTE Harmonized as EN 60974-8.
IEC 60974-10 NOTE Harmonized as EN 60974-10.
IEC 61008 Series NOTE Harmonized as EN 61008 Series.
IEC 61009 Series NOTE Harmonized as EN 61009 Series.
IEC 61140 NOTE Harmonized as EN 61140.
IEC 62822-1:2016 NOTE Harmonized as EN 62822-1:201X (modified).
ISO 11611 NOTE Harmonized as EN ISO 11611.
To be published.
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 60245-6 - Rubber insulated cables - Rated voltages - -
up to and including 450/750 V -
Part 6: Arc welding electrode cables
IEC 60755 - General safety requirements for residual - -
current operated protective devices
IEC 60974-1 - Arc welding equipment - EN 60974-1 -
Part 1: Welding power sources
IEC 60974-4 - Arc welding equipment - EN 60974-4 -
Part 4: Periodic inspection and testing
IEC 60974-11 - Arc welding equipment - EN 60974-11 -
Part 11: Electrode holders
IEC 60974-12 - Arc welding equipment - EN 60974-12 -
Part 12: Coupling devices for welding
cables
IEC 60974-13 - Arc welding equipment - EN 60974-13 -
Part 13: Welding clamp
IEC 60974-9
Edition 2.0 2018-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Arc welding equipment –
Part 9: Installation and use
Matériel de soudage à l’arc –
Partie 9: Installation et utilisation
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.160.30 ISBN 978-2-8322-5635-0
– 2 – IEC 60974-9:2018 © IEC 2018
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 6
3 Terms and definitions. 6
4 Installation . 8
4.1 General . 8
4.2 Supply circuit . 8
4.2.1 Selection of supply cables . 8
4.2.2 Supply disconnecting device . 8
4.2.3 Emergency stopping device . 9
4.3 Welding circuit . 9
4.3.1 Isolation from the input supply . 9
4.3.2 Summation of no-load voltages . 9
4.3.3 Welding cables . 9
4.3.4 Connection between the welding power source and the workpiece . 10
4.3.5 Earthing of the workpiece . 11
4.3.6 Location of gas cylinders . 11
5 Electromagnetic compatibility (EMC) . 12
5.1 General . 12
5.2 Assessment of area . 12
5.3 Methods of reducing emissions . 12
5.3.1 Public supply system . 12
5.3.2 Maintenance of arc-welding equipment . 12
5.3.3 Welding cables . 13
5.3.4 Equipotential bonding . 13
5.3.5 Earthing of the workpiece . 13
5.3.6 Screening and shielding . 13
6 Electromagnetic fields (EMF) . 13
6.1 General . 13
6.2 Assessment of exposure . 14
7 Use. 14
7.1 General requirements . 14
7.2 Connection between several welding power sources . 14
7.3 Inspection and maintenance of the welding installation . 14
7.3.1 Periodical inspection . 14
7.3.2 Routine inspection . 15
7.4 Disconnection of welding power sources and/or welding circuits . 15
7.5 Guards . 15
7.6 Information for operators . 15
7.7 Protective measures . 15
7.7.1 Extraneous conductive parts in the welding area . 15
7.7.2 Protection against electric shock . 15
7.8 Isolation of the welding circuit from the workpiece and earth when not in use . 16
7.9 Voltage between electrode holders or torches . 16
IEC 60974-9:2018 © IEC 2018 – 3 –
7.10 Welding in an environment with increased risk of electric shock . 18
7.11 Use of shoulder slings . 18
7.12 Welding at elevated positions . 19
7.13 Welding with suspended welding equipment . 19
8 Battery-powered welding power sources . 19
8.1 Safety recommendations . 19
8.2 Transportation . 19
Annex A (informative) Hazards associated with arc welding . 20
A.1 General . 20
A.2 Equipment condition and maintenance . 20
A.3 Operation . 20
A.4 Training . 20
A.5 Arc radiation. 20
A.5.1 General . 20
A.5.2 Eye and face protection (see also A.9) . 21
A.5.3 Body protection (see also A.9) . 21
A.5.4 Protection of persons in the vicinity of an arc . 21
A.6 EMF . 21
A.6.1 General .
...