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  • BSI
    BS EN 61482-1-2:2007 Live working. Protective clothing against the thermal hazards of an electric arc - Test methods - Determination of arc protection class of material and clothing by using a constrained and directed arc (box test)
    Edition: 2007
    $411.69
    / user per year

Description of BS EN 61482-1-2:2007 2007

This part of IEC 61482 specifies methods to test material and garments intended for use in heat- and flame-resistant clothing for workers exposed to electric arcs. In contrast to the test methods in IEC 61482-1-1 a directed and constrained electric arc in a low voltage circuit is used to classify material and clothing in defined arc protection classes. The test methods specified in this document are aimed at rendering a decision whether arc thermal protection is met under defined conditions. Two protection classes are tested. Protection class 1 and protection class 2 are safety requirements covering actual risk potentials due to electric fault arcs. The test methods are not directed toward measuring the arc thermal performance value (ATPV). Methods determining the ATPV are prescribed in IEC 61482-1-1. This standard specifies tests with which it is possible to evaluate materials and protective clothing based on the use of a directed and constrained electric arc under defined laboratory conditions (box-test). A practical scenario concerning test set-up and test conditions, electrical and constructional parameters is selected. For the tests a low voltage procedure is used. The tests can optionally be carried out in two fixed test classes, selected by the amount of prospective short circuit current: Class 1: 4 kA; Class 2: 7 kA. The defined duration of the electric arc is 500 ms in both test classes. Materials and clothing will be tested with two methods: the material box test method and the garment box test method. The material box test method is used to measure and find material response to an arc exposure when tested in a flat configuration. A quantitative measurement of the arc thermal performance is made by means of the energy transmitted through the material. The garment box test method is used to test the function of the protective clothing after an arc exposure, including all the garment findings, sewing tread, fastenings and other accessories; no heat flux will be measured. Testing refers to the thermal arc effects; it does not apply to other effects like noise, light emissions, pressure rise, hot oil, electric shock, the consequences of physical and mental shock or toxic influences.

Standard NumberBS EN 61482-1-2:2007
TitleLive working. Protective clothing against the thermal hazards of an electric arc - Test methods - Determination of arc protection class of material and clothing by using a constrained and directed arc (box test)
StatusWithdrawn
Publication Date2007-07-27
Withdrawn Date2018-07-17
ReplacesDD ENV 50354:2001
Replaced ByBS EN 61482-1-2:2014
Identical National Standard OfEN 61482-1-2:2007, EN 61837-3:2000, IEC 61482-1-2:2007, IEC 61837-3:2000
DescriptorsLive working, Flameproof materials, Electric arcs, Electrical safety, Thermal protection, Grades (quality), Thermal resistance, Electrical testing, Occupational safety, Heat-resistant materials, Protective clothing, Test equipment, Test specimens, Fire resistance, Safety measures, Electricity workers, Thermal testing, Thermal insulating materials
ICS29.260.99 Other electrical equipment for working in special conditions, 13.340.10 Protective clothing, 13.220.40 Ignitability and burning behaviour of materials and products
CommitteePEL/78
ISBN978 0 580 57061 2
PublisherBSI
Pages32

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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