Transformer fires pose a number of challenges that need to be overcome for extinguishment to take place. The two most common types of electrical transformers are air-cooled and oil-cooled. The transformer at this incident was an oil-cooled unit. All transformers have large amounts of mass due to the metals used in their construction. This mass […]

A signal 10-86 (foam operation) was transmitted for Queens Box 33-6334, Northern Boulevard/244th Street, for a fully involved transformer fire on Friday, July 24, 2009. The fire created multiple problems and required the need for foam, Purple K and a new product (F-500) for total extinguishment. One of the two Foam Coordinators, who supervised operations […]