Which Extinguisher Would It Be Safe To Use On A Small Electrical Fire In An Enclosed Atmosphere? Foam extinguishers are safe for use with electrical equipment if they had a successful dielectric test and are used at a safety distance of 1 meter. The electrical equipment will of course be damaged by the liquid. CO2
What Chemical Is Used To Extinguish Kitchen Fires Wet Chemicals? Class K wet chemical fire extinguishers are used in commercial kitchens to fight cooking fires. These extinguishers use a wet mixture of alkaline chemicals such as potassium carbonate, potassium acetate, or potassium citrate that turns into a foam, which blankets the fire depriving it of
How Can You Determine If The Fire Extinguisher Is Unsafe? The most common indicator that everyone can check is the pressure gauge. There would be a green zone between two red ones. If the indicator is in either of those red zones, your fire extinguisher needs immediate service. You can also check for safety pin.