Live working - Electrical insulating matting

IEC 61111:2009 is applicable to electrical insulating matting made of elastomer for use as a floor covering for the electrical protection of workers on electrical installations. This second edition cancels and replaces the first edition, published in 1992, and its Amendment 1 (2002). This edition constitutes a technical revision. It includes the following significant technical changes with regard to the previous edition:
- general review of the requirements and test provisions;
- modification of the test procedure for slip resistance;
- preparation of the elements of evaluation of defects, and general application of IEC 61318 Ed.3;
- revision of existing annexes;
- deletion of Annexes D and F, not applicable according to IEC 61318 Ed.3;
- introduction of a new normative Annex F on classification of defects.

Travaux sous tension - Tapis isolants électriques

La CEI 61111:2009 est applicable aux tapis isolants électriques en élastomère utilisés pour couvrir le sol en vue de la protection électrique des travailleurs dans les installations électriques. Cette seconde édition annule et remplace la première édition publiée en 1992 ainsi que son Amendement 1 (2002), et constitue une révision technique. Elle inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
- la révision générale des exigences et des dispositions d'essai;
- la modification de la procédure d'essai de résistance au glissement;
- la préparation des éléments d'évaluation des défauts et de l'application générale de la CEI 61318 Ed.3;
- la révision des annexes existantes;
- la disparition des Annexe D et F qui ne sont plus applicables, en accord avec la CEI 61318 Ed.3;
- l'introduction d'une nouvelle Annexe F normative traitant de la classification des défauts.

General Information

Status
Published
Publication Date
06-Apr-2009
Technical Committee
Drafting Committee
Current Stage
PPUB - Publication issued
Start Date
30-Apr-2009
Completion Date
07-Apr-2009
Ref Project

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IEC 61111 ®
Edition 2.0 2009-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Live working – Electrical insulating matting

Travaux sous tension – Tapis isolants électriques

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IEC 61111 ®
Edition 2.0 2009-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Live working – Electrical insulating matting

Travaux sous tension – Tapis isolants électriques

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
V
CODE PRIX
ICS 13.260; 29.260.99 ISBN 978-2-88910-413-0
– 2 – 61111 © IEC:2009
CONTENTS
FOREWORD.4
INTRODUCTION.6
1 Scope.7
2 Normative references .7
3 Terms and definitions .8
4 Requirements .9
4.1 General .9
4.2 Classification.9
4.3 Physical requirements .9
4.3.1 Composition .9
4.3.2 Shape.9
4.3.3 Dimensions and tolerances.9
4.3.4 Workmanship and finish .10
4.4 Mechanical, climatic and environmental requirements .10
4.5 Dielectric requirements.11
4.6 Marking .11
4.7 Packaging .11
4.8 Instructions for use.11
5 Tests .12
5.1 General .12
5.2 Visual inspection and measurements.12
5.2.1 General .12
5.2.2 Classification.12
5.2.3 Composition .12
5.2.4 Dimensions, workmanship and finish .12
5.2.5 Thickness .13
5.3 Marking .13
5.3.1 Visual inspection and measurement .13
5.3.2 Durability of marking.13
5.4 Packaging and instructions for use .13
5.5 Mechanical tests .14
5.5.1 General .14
5.5.2 Mechanical puncture resistance.14
5.5.3 Test for slip resistance .14
5.6 Dielectric tests .15
5.6.1 General .15
5.6.2 Electrodes .16
5.6.3 Test equipment.19
5.6.4 Electrical test procedure .19
5.7 Ageing tests .20
5.8 Thermal tests .21
5.8.1 Flame retardance test.21
5.8.2 Low temperature folding test (except for matting of category C).21
5.8.3 Extremely low temperature folding test for matting of category C only .22
5.9 Acid resistance.23
5.10 Oil resistance .23

61111 © IEC:2009 – 3 –
6 Conformity assessment of electrical insulating matting having completed the
production phase.23
7 Modifications .23
Annex A (informative) Guidelines for the selection of the class of electrical insulating
matting in relation to nominal voltage of a system .24
Annex B (informative) In-service care and testing .25
Annex C (normative) Suitable for live working; double triangle (IEC 60417–5216
(2002-10)).27
Annex D (normative) General type test procedure.28
Annex E (normative) Oil for tests for oil resistance.30
Annex F (normative) Classification of defects and tests to be allocated .31
Bibliography.32

Figure 1 – Test plates and needle for resistance to mechanical puncture.15
Figure 2 – Test set-up for voltage proof test of electrical insulating matting with
standard type of electrodes.16
Figure 3 – Test set-up for voltage proof test of electrical insulating matting with
alternative type of electrodes .18
Figure 4 – Test set-up for voltage withstand test.19
Figure 5 – Test set-up for low and extremely low temperature folding tests.22

Table 1 – Common lengths and widths for electrical insulating matting .10
Table 2 – Maximum thickness for electrical insulating matting.10
Table 3 – Maximum electrode clearance for proof tests .17
Table 4 – Test voltages.20
Table A.1 – Designation maximum use voltage .24
Table D.1 – List and chronological order of type tests.28
Table E.1 – Characteristics of oil no. 1.30
Table F.1 – Classification of defects and associated requirements and tests .31

– 4 – 61111 © IEC:2009
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
LIVE WORKING –
ELECTRICAL INSULATING MATTING
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
...

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