Typically recognized by a blue label, dry powder extinguishers are occasionally named ABC extinguishers. These multi-objective extinguishers can be used on fire classes A, B and C, which suggests they are often made use of with combustible materials, flammable gases and flammable liquids. Connects directly to a constructing’s h2o supply, https://www.firesense.co.uk/type/conventional-fire-system/