Live working - Insulating sticks and attachable devices - Part 1: Insulating sticks

IEC 60832-1:2010 gives the essential requirements for insulating sticks for live working for use on a.c. electrical installations. The products designed and manufactured according to this standard contribute to the safety of the users provided they are used by skilled persons, in accordance with safe methods of work and the instructions for use. IEC 60832-1:2010 and IEC 60832-2:2010 cancel and replace the first edition of IEC 60832 published in 1988. The two parts have been created to clearly separate the requirements and testing of insulating sticks from those of attachable devices. Compared to IEC 60832, the major changes included in IEC 60832-1 are: - integration of a cold impact test on the end fitting; - creation of an electrical category of end fittings; - integration of a test of the dielectric strength of internal insulation; - modification of the dye penetration test (disappearance of fuchsine); - application of conformity assessment for products having completed the production phase, according to IEC 61318:2007 (Edition 3), focusing on the classification of defects and the introduction of alternative testing in case of production follow-up.

Arbeiten unter Spannung - Isolierende Stangen und auswechselbare Arbeitsköpfe - Teil 1: Isolierende Stangen

Travaux sous tension - Perches isolantes et outils adaptables - Partie 1: Perches isolantes

La CEI 60832-1:2010 définit les exigences essentielles, pour une utilisation sur des installations électriques à tension alternative, des perches isolantes pour travaux sous tension. Les produits conçus et fabriqués en conformité avec la présente norme contribuent à la sécurité des utilisateurs, pourvu qu'ils soient utilisés par des personnes qualifiées, conformément à des méthodes de travail en toute sécurité et aux instructions d'emploi. La CEI 60832-1:2010 et la CEI 60832-2:2010 annulent et remplacent la première édition de la CEI 60832 publiée en 1988. Les deux parties ont été créées pour séparer clairement les exigences et les essais des perches isolantes de ceux des outils adaptables. Par rapport à la CEI 60832, les principales modifications introduites dans la CEI 60832-1 sont: - l'intégration d'un essai de choc à froid sur l'embout de perche; - la création d'une catégorie électrique des embouts de perche; - l'intégration d'un essai de tenue diélectrique de l'isolation interne; - la modification de l'essai de pénétration de colorant (disparition de la fuchsine); - l'évaluation de la conformité des produits issus de la production selon les dispositions définies dans la CEI 61318:2007 (édition 3) en s'appliquant à classifier les défauts et à introduire des essais alternatifs pour le suivi de la production.

Delo pod napetostjo - Izolacijske palice in priklopne naprave - 1. del: Izolacijske palice (IEC 60832-1:2010)

Ta del IEC 60832 podaja bistvene zahteve za izolacijske palice za delo pod napetostjo, ki se uporabljajo na električnih inštalacijah z izmeničnim tokom. Del 2 IEC 60832 zajema naprave, ki se lahko pritrdijo na fiting izolacijske palice in snamejo z njega. Proizvodi, zasnovani in narejeni v skladu s tem standardom, prispevajo k varnosti uporabnikov, pod pogojem, da jih uporabljajo usposobljene osebe v skladu z varnimi metodami dela in navodili za uporabo.

General Information

Status
Published
Publication Date
18-Mar-2010
Current Stage
6060 - Document made available
Start Date
19-Mar-2010
Due Date
18-Apr-2010
Completion Date
19-Mar-2010

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Standards Content (sample)

SLOVENSKI STANDARD
SIST EN 60832-1:2010
01-junij-2010
1DGRPHãþD
SIST EN 60832:2001

Delo pod napetostjo - Izolacijske palice in priklopne naprave - 1. del: Izolacijske

palice (IEC 60832-1:2010)

Live working - Insulating sticks and attachable devices - Part 1: Insulating sticks (IEC

60832-1:2010)
Arbeiten unter Spannung - Isolierende Arbeitsstangen und auswechselbare
Adapter/Arbeitsköpfe - Teil 1: Isolierende Arbeitsstangen (IEC 60832-1:2010)

Travaux sous tension - Perches isolantes et outils adaptables - Partie 1: Perches

isolantes (CEI 60832-1:2010)
Ta slovenski standard je istoveten z: EN 60832-1:2010
ICS:
13.260 9DUVWYRSUHGHOHNWULþQLP Protection against electric
XGDURP'HORSRGQDSHWRVWMR shock. Live working
29.260.01 (OHNWULþQDRSUHPD]DGHORY Electrical equipment for
SRVHEQLKUD]PHUDKQD working in special conditions
VSORãQR in general
SIST EN 60832-1:2010 en,fr

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 60832-1:2010
---------------------- Page: 2 ----------------------
SIST EN 60832-1:2010
EUROPEAN STANDARD
EN 60832-1
NORME EUROPÉENNE
March 2010
EUROPÄISCHE NORM
ICS 13.260; 29.240.20; 29.260.99 Supersedes EN 60832:1996 (partially)
English version
Live working -
Insulating sticks and attachable devices -
Part 1: Insulating sticks
(IEC 60832-1:2010)
Travaux sous tension - Arbeiten unter Spannung -
Perches isolantes et outils adaptables - Isolierende Stangen und auswechselbare
Partie 1: Perches isolantes Adapter/Arbeitsköpfe -
(CEI 60832-1:2010) Teil 1: Isolierende Stangen
(IEC 60832-1:2010)

This European Standard was approved by CENELEC on 2010-03-01. 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, Croatia, 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

© 2010 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 60832-1:2010 E
---------------------- Page: 3 ----------------------
SIST EN 60832-1:2010
EN 60832-1:2010 - 2 -
Foreword

The text of document 78/838/FDIS, future edition 1 of IEC 60832-1, prepared by IEC TC 78, Live working,

was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60832-1 on

2010-03-01.

This EN 60832-1, together with EN 60832-2, supersedes EN 60832:1996. The two parts have been

created to clearly separate the requirements and testing of insulating sticks from those of attachable

devices.
Compared to EN 60832:1996, the major changes included in EN 60832-1:2010 are:
− integration of a cold impact test on the end fitting;
− creation of an electrical category of end fittings;
− integration of a test of the dielectric strength of internal insulation;
− modification of the dye penetration test (disappearance of fuchsine);

− application of conformity assessment for products having completed the production phase, according

to IEC 61318:2007 (Edition 3), focusing on the classification of defects and the introduction of

alternative testing in case of production follow-up.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent

rights.
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) 2010-12-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2013-03-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice

The text of the International Standard IEC 60832-1:2010 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 60743:2001 NOTE Harmonized as EN 60743:2001 (not modified).
IEC 61472:2004 NOTE Harmonized as EN 61472:2004 (not modified).
__________
---------------------- Page: 4 ----------------------
SIST EN 60832-1:2010
- 3 - EN 60832-1:2010
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 60060-1 - High-voltage test techniques - HD 588.1 S1 -
Part 1: General definitions and test
requirements
IEC 60212 1971 Standard conditions for use prior to and HD 437 S1 1984
during the testing of solid electrical insulating
materials
IEC 60417 - Graphical symbols for use on equipment - -
IEC 60855-1 - Live working - Insulating foam-filled tubes FprEN 60855-1 -
and solid rods -
Part 1: Tubes and rods of a circular cross-
section
IEC 61318 2007 Live working - Conformity assessment EN 61318 2008
applicable to tools, devices and equipment
IEC 61477 - Live working - Minimum requirements for the EN 61477 -
utilization of tools, devices and equipment
ISO 8486-1 1996 Bonded abrasives - Determination and - -
designation of grain size distribution -
Part 1: Macrogrits F4 to F220
---------------------- Page: 5 ----------------------
SIST EN 60832-1:2010
---------------------- Page: 6 ----------------------
SIST EN 60832-1:2010
IEC 60832-1
Edition 1.0 2010-02
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Live working – Insulating sticks and attachable devices –
Part 1: Insulating sticks
Travaux sous tension – Perches isolantes et outils adaptables –
Partie 1: Perches isolantes
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX
ICS 13.260; 29.240.20; 29.260.99 ISBN 2-8318-1077-6
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 7 ----------------------
SIST EN 60832-1:2010
– 2 – 60832-1 © IEC:2010
CONTENTS

FOREWORD...........................................................................................................................4

INTRODUCTION.....................................................................................................................6

1 Scope...............................................................................................................................7

2 Normative references .......................................................................................................7

3 Terms, definitions and symbols ........................................................................................7

3.1 Terms and definitions ..............................................................................................7

3.2 Symbols ..................................................................................................................8

4 Requirements ...................................................................................................................8

4.1 General ...................................................................................................................8

4.2 Electrical insulation .................................................................................................8

4.3 Electrical category of end fittings.............................................................................9

4.4 Dimensional and mechanical requirements..............................................................9

4.4.1 Dimensional requirements ...........................................................................9

4.4.2 Mechanical requirements.............................................................................9

4.5 Insulating sticks end fittings ..................................................................................11

4.5.1 Mechanical protection................................................................................11

4.5.2 Protection against corrosion ......................................................................11

4.5.3 Conductive parts .......................................................................................11

4.6 Multiple-tube or multiple-rod tools .........................................................................11

4.7 Marking .................................................................................................................11

4.8 Instructions for use................................................................................................12

5 Tests ..............................................................................................................................12

5.1 General .................................................................................................................12

5.2 Visual inspection ...................................................................................................13

5.3 Dimensional check ................................................................................................13

5.4 Durability of marking .............................................................................................13

5.5 Mechanical tests ...................................................................................................13

5.5.1 Cold impact test on the end fitting .............................................................13

5.5.2 Torsion ......................................................................................................16

5.5.3 Tension .....................................................................................................17

5.5.4 Compression .............................................................................................17

5.5.5 Bending.....................................................................................................17

5.5.6 Torsion test of wing screw(s) .....................................................................19

5.6 Dye penetration test ..............................................................................................19

5.7 Electrical tests.......................................................................................................19

5.7.1 Electrical test after water conditioning .......................................................19

5.7.2 Dielectric strength of internal insulation .....................................................21

5.8 Specific tests.........................................................................................................23

5.8.1 Tie stick – Tension test of the rotary blade and hook .................................23

5.8.2 Hook stick – Operating rod functioning ......................................................24

5.8.3 Hook stick extension – Tension strength of the connecting clamp..............25

5.8.4 Wire holding stick – Tightening capability ..................................................26

5.8.5 Pliers stick.................................................................................................27

5.8.6 Insulating oiler stick – Functioning of the operating rod .............................28

5.8.7 Wire cutter stick – Binding-wire cutter stick – Cutting capability.................29

5.8.8 Measuring stick .........................................................................................29

---------------------- Page: 8 ----------------------
SIST EN 60832-1:2010
60832-1 © IEC:2010 – 3 –

5.8.9 Tension puller (dead-end tool) ...................................................................31

5.9 Instructions for use................................................................................................32

5.9.1 Type test ...................................................................................................32

5.9.2 Alternative test in case of insulating sticks having completed the

production phase.......................................................................................32

6 Conformity assessment of insulating sticks having completed the production phase .......32

7 Modifications ..................................................................................................................32

Annex A (normative) Suitable for live working; double triangle .............................................33

Annex B (normative) Chronology of type tests .....................................................................34

Annex C (normative) Classification of defects and associated tests .....................................40

Annex D (informative) In-service recommendations .............................................................43

Bibliography..........................................................................................................................46

Figure 1 – Cold impact test on the end fitting ........................................................................16

Figure 2 – Bending test.........................................................................................................18

Figure 3 – Electrical test after water conditioning..................................................................20

Figure 4 – Dielectric strength of internal insulation................................................................22

Figure 5 – Tie stick – Tension of the rotary blade..................................................................23

Figure 6 – Tie stick – Tension of the rotary hook...................................................................24

Figure 7 – Hook stick – Operating rod functioning.................................................................25

Figure 8 – Hook stick extension – Tensile strength test for the connecting clamp..................26

Figure 9 – Wire holding stick – Tightening capability.............................................................26

Figure 10 – Pliers stick – Tightening capability .....................................................................27

Figure 11 – Pliers stick – Torsion of the support handle ........................................................27

Figure 12 – Pliers stick – Torsion of the operating handle .....................................................28

Figure 13 – Insulating oiler stick – Functioning of the operating rod ......................................29

Figure 14 – Measuring stick – Resistance to abrasion...........................................................30

Figure 15 – Electrical test on type A tension puller................................................................31

Figure 16 – Electrical test on type B tension puller................................................................32

Table 1 – Mechanical characteristics of hand sticks (to be supplied by the

manufacturer) .......................................................................................................................10

Table 2 – Mechanical characteristics of support sticks (to be supplied by the

manufacturer) .......................................................................................................................10

Table 3 – Torque values and pass criteria of the torsion test.................................................17

Table 4 – Tensile forces and pass criteria of the tension test ................................................17

Table 5 – Compression forces and pass criteria of the compression test...............................17

Table 6 – Bending forces and pass criteria of the bending test..............................................17

Table B.1 – Type tests for hand sticks ..................................................................................34

Table B.2 – Type tests for support sticks ..............................................................................38

Table C.1 – Classification of defects and associated requirements and tests for hand

sticks ....................................................................................................................................40

Table C.2 – Classification of defects and associated requirements and tests for

support sticks .......................................................................................................................42

---------------------- Page: 9 ----------------------
SIST EN 60832-1:2010
– 4 – 60832-1 © IEC:2010
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
LIVE WORKING – INSULATING STICKS
AND ATTACHABLE DEVICES –
Part 1: Insulating sticks
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.

International Standard IEC 60832-1 has been prepared by IEC technical committee 78: Live

working.

The first edition of IEC 60832-1 and that of IEC 60832-2 cancel and replace the first edition of

IEC 60832 published in 1988. The two parts have been created to clearly separate the

requirements and testing of insulating sticks from those of attachable devices.
Compared to IEC 60832, the major changes included in IEC 60832-1 are:
• integration of a cold impact test on the end fitting;
• creation of an electrical category of end fittings;
• integration of a test of the dielectric strength of internal insulation;
• modification of the dye penetration test (disappearance of fuchsine);
---------------------- Page: 10 ----------------------
SIST EN 60832-1:2010
60832-1 © IEC:2010 – 5 –

• application of conformity assessment for products having completed the production phase,

according to IEC 61318:2007 (Edition 3), focusing on the classification of defects and the

introduction of alternative testing in case of production follow-up.
The text of this standard is based on the following documents:
FDIS Report on voting
78/838/FDIS 78/844/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.

A list of all parts of the IEC 60832 series, published under the general title Live working –

Insulating sticks and attachable devices, 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.
---------------------- Page: 11 ----------------------
SIST EN 60832-1:2010
– 6 – 60832-1 © IEC:2010
INTRODUCTION

The purpose of this standard is to provide essential requirements. Each user may supplement

it with their own requirements. For example, the user may add requirements regarding the use

of insulating sticks on d.c. electrical installations or the mechanical performance or

compatibility and interchangeability with tools already in service. In such cases, caution

should be taken to maintain or improve the performance of the products.

This publication has been prepared in accordance with the requirements of IEC 61477.

The products designed and manufactured according to this standard contribute to the safety

of the users provided they are used by skilled persons, in accordance with safe methods of

work and the instructions for use.

The product covered by this standard may have an impact on the environment during some or

all stages of its life cycle. These impacts can range from slight to significant, be of short-term

or long-term, and occur at the global, regional or local level.

Except for a disposal statement in the instructions for use, and special considerations for the

selection of a dye (see 5.6), this standard does not include requirements and test provisions

for the manufacturers of the product, or recommendations to the users of the product for

environmental improvement. However, all parties intervening in its design, manufacture,

packaging, distribution, use, maintenance, repair, reuse, recovery and disposal are invited to

take account of environmental considerations.
---------------------- Page: 12 ----------------------
SIST EN 60832-1:2010
60832-1 © IEC:2010 – 7 –
LIVE WORKING – INSULATING STICKS
AND ATTACHABLE DEVICES –
Part 1: Insulating sticks
1 Scope

This part of IEC 60832 gives the essential requirements for insulating sticks for live working

for use on a.c. electrical installations.

Part 2 of IEC 60832 covers devices that can be attached onto and removed from the fitting of

the insulating sticks.

The products designed and manufactured according to this standard contribute to the safety

of the users provided they are used by skilled persons, in accordance with safe methods of

work and the instructions for use.
2 Normative references

The following normative documents contain provisions which, through reference in this text,

constitute provisions of this international standard. For dated references, only the edition cited

applies. For undated references, the latest edition of the referenced document (including any

amendments) applies.
IEC 60060-1, High-voltage test techniques – Part 1: General definitions and test
requirements

IEC 60212:1971, Standard conditions for use prior to and during the testing of solid electrical

insulating materials
IEC 60417, Graphical symbols for use on equipment

IEC 60855-1, Live working – Insulating foam-filled tubes and solid rods – Part 1: Tubes and

rods of a circular cross-section

IEC 61318:2007, Live working – Conformity assessment applicable to tools, devices and

equipment

IEC 61477, Live working – Minimum requirements for the utilization of tools, devices and

equipment

ISO 8486-1:1996, Bonded abrasives – Determination and designation of grain size distri-

bution – Part 1: Macrogrits F4 to F220
3 Terms, definitions and symbols
3.1 Terms and definitions

For the purposes of this document, the terms and definitions given in IEC 61318 and the

following apply.
---------------------- Page: 13 ----------------------
SIST EN 60832-1:2010
– 8 – 60832-1 © IEC:2010
3.1.1
insulating stick

insulating tool essentially made of insulating tube and/or rod with end fitting(s)

[Definition 2.5.1 of IEC 60743 and IEV 651-02-01, modified]
3.1.2
rated value

value of a quantity used for specification purposes, established for a specified set of operating

conditions of a component, device, equipment or system
[IEV 151-16-08]
3.1.3
end fitting
part permanently fitted to the end of the insulating tube or rod
[Definition 2.4.1 of IEC 60743 and IEV 651-02-02 modified]
3.1.4
type of tool
family of tools which are of the same design and application
3.1.5
rated voltage

maximum r.m.s. voltage for using the stick, which corresponds to the phase-to-phase voltage

of three-phase networks
3.2 Symbols

T rated torque given by the manufacturer for a given tool and for testing purposes

rated tensile force given by the manufacturer for a given tool and for testing
purposes

rated compression force given by the manufacturer for a given tool and for testing

purposes
rated bending force given by the manufacturer for a given tool and for testing
purposes
4 Requirements
4.1 General

The following requirements have been prepared in order that the products covered by this

standard are designed and manufactured to contribute to the safety of the users, provided

they are used by persons skilled for live working, in accordance with safe method of work and

the instructions for use.

It shall be ensured that all appropriate measures have been taken to minimize size and weight

of the insulating sticks so as to facilitate their handling.
4.2 Electrical insulation

The tools covered by this standard shall only use foam-filled tube and/or solid rod with a

circular cross-section that are in accordance with IEC 60855-1.
---------------------- Page: 14 ----------------------
SIST EN 60832-1:2010
60832-1 © IEC:2010 – 9 –

NOTE 1 Appropriate value of insulation should be achieved by using an appropriate length of tube or rod

according to the method of work and taking into account the minimum approach distances (see IEC 61472) and the

flashover characteristics of the stick.

NOTE 2 The electrical insulating characteristics of raw material used for insulating stick with non circular cross

section will be covered by a future publication in the IEC 60855 series of standards.

The end fitting(s) shall be designed such as to avoid any internal insulation failure.

4.3 Electrical category of end fittings
End fittings shall be categorized according to their maximum use voltage:
• category A for use where U is lower than or equal to 550 kV;

• category B for use where U is larger than 550 kV but lower than or equal to 800 kV.

4.4 Dimensional and mechanical requirements
4.4.1 Dimensional requirements

For each type of tool complying with this part of the standard, the manufacturer shall provide

in writ
...

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