IEC 61482-1-1:2019

Live working - Protective clothing against the thermal hazards of an electric arc - Part 1-1: Test methods - Method 1: Determination of the arc rating (ELIM, ATPV and/or EBT) of clothing materials and of protective clothing using an open arc

IEC 61482-1-1:2019

Name:IEC 61482-1-1:2019   Standard name:Live working - Protective clothing against the thermal hazards of an electric arc - Part 1-1: Test methods - Method 1: Determination of the arc rating (ELIM, ATPV and/or EBT) of clothing materials and of protective clothing using an open arc
Standard number:IEC 61482-1-1:2019   language:English and French language
Release Date:02-Jul-2019   technical committee:TC 78 - Live working
Drafting committee:WG 15 - TC 78/WG 15   ICS number:01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION

IEC 61482-1-1
Edition 2.0 2019-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Live working – Protective clothing against the thermal hazards of an electric arc –
Part 1-1: Test methods – Method 1: Determination of the arc rating (ELIM, ATPV
and/or EBT) of clothing materials and of protective clothing using an open arc

Travaux sous tension – Vêtements de protection contre les dangers thermiques
d’un arc électrique –
Partie 1-1: Méthodes d’essai – Méthode 1: Détermination de la valeur assignée
d’arc (ELIM, ATPV et/ou EBT) des matériaux pour vêtements et des vêtements de
protection utilisant un arc ouvert




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IEC 61482-1-1
Edition 2.0 2019-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Live working – Protective clothing against the thermal hazards of an electric arc –

Part 1-1: Test methods – Method 1: Determination of the arc rating (ELIM, ATPV

and/or EBT) of clothing materials and of protective clothing using an open arc

Travaux sous tension – Vêtements de protection contre les dangers thermiques

d’un arc électrique –
Partie 1-1: Méthodes d’essai – Méthode 1: Détermination de la valeur assignée

d’arc (ELIM, ATPV et/ou EBT) des matériaux pour vêtements et des vêtements de

protection utilisant un arc ouvert

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 13.220.40; 29.260.99 ISBN 978-2-8322-6921-3

– 2 – IEC 61482-1-1:2019 © IEC 2019
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms, definitions, symbols and units . 8
3.1 Terms and definitions . 8
3.2 Symbols and units. 13
4 Principle of test procedures A and B . 13
4.1 Procedure A – Material open arc test procedure . 13
4.2 Procedure B – Garment open arc test procedure. 14
5 Significance and use of the test procedures A and B . 14
5.1 General . 14
5.2 Procedure A – Material open arc test procedure . 15
5.3 Procedure B – Garment open arc test procedure. 15
6 Test apparatus . 15
6.1 General . 15
6.2 Calorimetric sensors . 15
6.2.1 Calorimeter construction . 15
6.2.2 Panel sensor construction. 17
6.2.3 Monitor sensor construction and positioning . 19
6.3 Panel construction . 20
6.4 Mannequin construction . 22
6.5 Arrangement of panels and monitor sensors for testing according to
Procedure A . 23
6.6 Arrangement of mannequin(s) and monitor sensors for testing according to
Procedure B . 24
6.7 Supply bus and electrodes . 28
6.7.1 General . 28
6.7.2 Structural cage arrangement . 28
6.7.3 Electrodes . 30
6.7.4 Fuse wire . 30
6.8 Electric supply . 30
6.9 Test-circuit control . 31
6.10 Data acquisition and data processing system . 31
6.10.1 General . 31
6.10.2 Data acquisition . 31
6.10.3 Signal synchronization . 32
7 Operator safety . 32
8 Specimen preparation . 33
8.1 Description of the test specimens . 33
8.1.1 Test specimens for Procedure A . 33
8.1.2 Test specimens for Procedure B . 33
8.2 Pre-treatment of test specimens by cleaning . 34
8.3 Pre-conditioning of the test specimens . 34
9 Calibration and verification . 34
9.1 Data acquisition system pre-calibration . 34
9.2 Verification of calorimeters . 34

9.3 Arc exposure and apparatus verification for the two-sensor panels and the
monitoring sensors. 35
9.3.1 Set-up of electrodes and fuse wire . 35
9.3.2 Positioning of the two-sensor panels, mannequins and monitor sensors . 35
9.3.3 Verification bare shot . 35
9.3.4 Verification bare shot test protocol . 36
10 Test apparatus care and maintenance . 36
10.1 Surface reconditioning . 36
10.2 Care of panels, mannequins and sensors . 37
10.3 Care of electrodes . 37
11 Test procedures . 37
11.1 Procedure A – testing with panels . 37
11.1.1 Test parameter and settings . 37
11.1.2 Sequence of tests with test specimens of material or material assembly . 37
11.1.3 Criteria for set of data obtained from iterative process of test shots . 38
11.2 Procedure B – testing with mannequins . 39
11.2.1 Test parameters and settings . 39
11.2.2 Single test or sequence of tests with test specimen(s) of garment or
garment assembly . 39
11.3 Air ventilation and initial temperature of sensors . 40
11.4 Specimen mounting . 40
11.4.1 Procedure A – testing with panels . 40
11.4.2 Procedure B – testing with mannequins . 40
...

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