Live working – Protective clothing against the thermal hazards of an electric arc – Part 1-2: Test methods – Method 2: Determination of arc protection class of material and clothing by using a constrained and directed arc (box test)
|Publication Date:||1 October 2014|
|ICS Code (Ignitability and burning behaviour of materials and products):||13.220.40|
|ICS Code (Electrical equipment for working in special conditions):||29.260|
|ICS Code (Other electrical equipment for working in special conditions):||29.260.99|
This part of IEC 61482 specifies procedures to test material and garments intended for use in heat and flame-resistant clothing for workers if there is an electric arc hazard. A directed and constrained electric arc in a test circuit is used to classify material and clothing in two defined arc protection classes.
This International Standard is not dedicated toward measuring the arc rating values (ATPV1, ELIM2 or EBT3). Procedures determining these arc rating values are prescribed in IEC 61482-1-1, using an open arc for testing.
Other effects than the thermal effects of an electric arc like noise, light emissions, pressure rise, hot oil, electric shock, the consequences of physical and mental shock or toxic influences are not covered by this standard.
Protective clothing for work intentionally using an electric arc, e.g. arc welding, plasma torch, is not covered by this standard.