CO2 fire extinguishers contain pure carbon dioxide which is a clean extinguishant, leaving no residue. Suitable for class B flammable liquid fires (petrol, oil, solvents), and recommended for use on live electrical equipment. Electrical fires are very common in both homes and industrial settings. According to Strike First, the first thing you should try to do if an electrical fire starts is to disconnect the appliance or item from its power source only if it is safe to do so. For more details download the Autocad drawing file with detailed dimensions and specifications of this file. This can be used by architects and engineers. Download this 2d AutoCAD drawing file.