Water fire extinguishers have a red label and a class a rating. They are suitable for fighting fires involving solid combustibles such as wood, paper, and textiles. A few models are safe on electrical equipment if di-electrically tested. ABC powder type stored pressure fire extinguisher 9kg. Capacity ISI mark is is 15683 operating temperature -0 ºc to +55 ºc for class 1a and 8b type of fire filled with map powder complete in all respect & a, b and c class fires are inflammable liquids, gaseous fires like l.P.G. And acetylene, and electrical fires.