Fire extinguisher five categories. In the UK the use of Halon gas is now prohibited except under certain situations such as on aircraft and in the military and police. Fire extinguishing performance per fire class is displayed using numbers and letters such as 13A, 55B. EN3 does not recognise a separate electrical class - however there is an additional feature requiring special testing (35 kV dielectric test per EN 3-7:2004). A powder or CO extinguisher will bear an electrical pictogramme as standard signifying that it can be used on live electrical fires (given the symbol E in the table). If a water-based
Cutting extinguisher also been used successfully in combination with positive pressure ventilation (PPV) fans. The Swedish contingencies agency recently published a report on 10 years user experience of the Cobra cutting extinguisher in Sweden. Pyrolance LLC has a licence signed 2006 with CCS AB to manufacture and market a 'Americanized' product similar to the CCS- Cobra 'Cutting Extinguisher'. PyroLance is a firefighting system that cools and contains fires and fire gases. Utilizing a combination of high-pressure water and a nonsparking abrasive material, the PyroLance pierces exterior structures, and blankets the thermal layers inside with a fog of atomized water. The PyroLance introduces