IEC 61482-2:2018 is applicable to protective clothing used in work where there is the risk of exposure to an electric arc hazard. This document specifies requirements and test methods applicable to materials and garments for protective clothing for electrical workers against the thermal hazards of an electric arc. Electric shock hazard is not covered by this document, which is applicable in combination with standards covering such hazards. 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 document. Protection of eyes, face, head, hands and feet against electric arc hazard is not covered by this document. Requirements and tests to cover electric arc hazards to these parts of the body are under development. Protective clothing for work intentionally using an electric arc, e.g. arc welding, plasma torch, is not covered by this document. This second edition cancels and replaces the first edition published in 2009. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: new definition for ELIM, ATPV and EBT as used in accordance with IEC 61482-1-1:–; new requirements for the thermal stability of the intermediate layers; additional material requirement for volume resistance; new test procedure for the thermal resistance of sewing threads and a new symbol for marking.