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SIST EN 61477:2009
01-oktober-2009
1DGRPHãþD
SIST EN 61477:2003
SIST EN 61477:2003/A1:2003
SIST EN 61477:2003/A2:2007
Delo pod napetostjo - Minimalne zahteve za uporabo orodij, naprav in opreme (IEC
61477:2009)
Live working - Minimum requirements for the utilization of tools, devices and equipment
Arbeiten unter Spannung - Mindestanforderungen für die Nutzung von Werkzeugen,
Geräten und Ausrüstungen
Travaux sous tension - Exigences minimales pour l'utilisation des outils, dispositifs et
équipements
Ta slovenski standard je istoveten z: EN 61477:2009
ICS:
13.260 9DUVWYRSUHGHOHNWULþQLP Protection against electric
XGDURP'HORSRGQDSHWRVWMR shock. Live working
SIST EN 61477:2009 en,fr
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 61477:2009
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SIST EN 61477:2009
EUROPEAN STANDARD
EN 61477
NORME EUROPÉENNE
June 2009
EUROPÄISCHE NORM
ICS 13.260; 29.240.20; 29.260.99 Supersedes EN 61477:2002 + A1:2002 + A2:2005
English version
Live working -
Minimum requirements
for the utilization of tools, devices and equipment
(IEC 61477:2009 + corrigendum 2009)
Travaux sous tension - Arbeiten unter Spannung -
Exigences minimales Mindestanforderungen
pour l'utilisation des outils, für die Nutzung von Werkzeugen,
dispositifs et équipements Geräten und Ausrüstungen
(CEI 61477:2009 + corrigendum 2009) (IEC 61477:2009 + Corrigendum 2009)
This European Standard was approved by CENELEC on 2009-05-01. 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 Central Secretariat 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 Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: Avenue Marnix 17, B - 1000 Brussels
© 2009 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61477:2009 E
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SIST EN 61477:2009
EN 61477:2009 – 2 –
Foreword
The text of document 78/772/FDIS, future edition 2 of IEC 61477, prepared by IEC TC 78, Live working,
was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 61477 on
2009-05-01.
This European Standard supersedes EN 61477:2002 + A1:2002 + A2:2005.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2010-02-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2012-05-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 61477:2009 with its corrigendum April 2009 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 60895 NOTE Harmonized as EN 60895:2003 (modified).
IEC 61230 NOTE Harmonized as EN 61230:2008 (not modified).
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SIST EN 61477:2009
– 3 – EN 61477:2009
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following referenced documents are indispensable for the application 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 When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year
IEC 60050-651 1999 International Electrotechnical Vocabulary - -
(IEV) -
Part 651: Live working
IEC 60417 Data- Graphical symbols for use on equipment - -
base
1) 2)
IEC 60743 - Live working - Terminology for tools, EN 60743 2001
equipment and devices
1)
Undated reference.
2)
Valid edition at date of issue.
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SIST EN 61477:2009
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SIST EN 61477:2009
IEC 61477
Edition 2.0 2009-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Live working – Minimum requirements for the utilization of tools, devices and
equipment
Travaux sous tension – Exigences minimales pour l’utilisation des outils,
dispositifs et équipements
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
N
CODE PRIX
ICS 13.260; 29.240.20; 29.260.99 ISBN 2-8318-1030-3
Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
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SIST EN 61477:2009
– 2 – 61477 © IEC:2009
CONTENTS
FOREWORD.3
INTRODUCTION.5
1 Scope.6
2 Normative references .6
3 Terms and definitions .7
4 Characteristics of tools .7
4.1 Marking, graphical symbols and information to the users.7
4.2 Dimensions and weight .8
4.3 Electrical characteristics.8
4.4 Mechanical characteristics .9
4.5 Thermal characteristics .9
5 Conditions of use .9
5.1 Operating range .10
5.2 Precautions for use .10
5.3 Verifications before use.11
6 Conditions for maintenance .11
6.1 Cleaning.11
6.2 Periodic checks and verifications.12
6.3 Repair .12
7 Conditions for storage and transportation .13
Bibliography.14
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SIST EN 61477:2009
61477 © IEC:2009 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
LIVE WORKING –
MINIMUM REQUIREMENTS FOR THE UTILIZATION
OF TOOLS, DEVICES AND EQUIPMENT
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 provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
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 61477 has been prepared by IEC technical committee 78: Live
working.
This second edition of IEC 61477 cancels and replaces the first edition published in 2001, its
Amendment 1 (2002) and Amendment 2 (2004).
The document 78/772/FDIS, circulated to the National Committees as Amendment 3, led to
the publication of the new edition.
The text of this standard is based on the first edition, Amendment 1, Amendment 2 and the
following documents:
FDIS Report on voting
78/772/FDIS 78/786/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.
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SIST EN 61477:2009
– 4 – 61477 © IEC:2009
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
The committee has decided that the contents of this publication will remain unchanged until
the maintenance result 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.
The contents of the corrigendum of April 2009 have been included in this copy.
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SIST EN 61477:2009
61477 © IEC:2009 – 5 –
INTRODUCTION
This International Standard does not replace national regulations but it can be regarded as a
reference for the development of national regulations. Where National regulations are in force
to dictate the conditions of utilization of tools, devices and equipment for live working, these
can be more stringent than the minimum requirements of this standard.
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SIST EN 61477:2009
– 6 – 61477 © IEC:2009
LIVE WORKING –
MINIMUM REQUIREMENTS FOR THE UTILIZATION
OF TOOLS, DEVICES AND EQUIPMENT
1 Scope
This International Standard gives the minimum requirements relative to specification,
manufacture, selection, application and maintenance of tools, devices and equipment for live
working.
It provides the type of information which is useful to skilled persons in order to make the use
of tools, devices and equipment safer.
This type of information includes:
• the characteristics of tools, devices and equipment;
• their conditions for use;
• their conditions for maintenance;
• their conditions for storage and transportation.
Such information may be given in standards, manufacturer’s instructions for use and in
internal regulations set forth by companies for their own employees.
Such information should be completed by work methods, which are excluded from the scope
of this standard.
In this standard, the word tool(s) is used for "tools, devices and equipment for live working"
unless otherwise specified.
2 Normative references
The following referenced documents are indispensable for the application 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.
IEC 60050-651:1999, International Electrotechnical Vocabulary (IEV) – Part 651: Live working
IEC 60417, Graphical symbols for use on equipment
IEC 60743, Live working – Terminology for tools, equipment and devices
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SIST EN 61477:2009
61477 © IEC:2009 – 7 –
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
(electrically) skilled person
(electrically) qualified person (US)
person with relevant education and experience to enable him or her to perceive risks and to
avoid hazards which electricity can create
[IEV 651-01-33]
3.2
required insulation level for live working (RILL)
statistical impulse withstand voltage of the insulation at the work location necessary to reduce
the risk of breakdown of this insulation to an acceptable low level
NOTE It is generally considered that an acceptable low level is reached when the value of the statistical impulse
withstand voltage is greater than or equal to the overvoltage having a probability of being exceeded by no more
than 2 %.
[IEV 651-01-17]
3.3
live working zone
space around live parts where prevention of electrical hazard is assured by suitable means
such as limiting access to skilled persons, maintaining the appropriate air distances to
energized parts and using tools for live working
NOTE 1 The distance from the live parts to the outer boundary of a live working zone is greater or equal to the
minimum working distance.
NOTE 2 The live working zone and the specific precautions that apply are generally defined by national or
company regulations.
NOTE 3 In some countries the term "danger zone" is used instead of "live working zone".
[IEV 651-01-06]
3.4
tools (for live working)
tools, devices and equipment particularly designed or adapted, tested and maintained for live
working
[IEV 651-01-24]
4 Characteristics of tools
The
...