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 Svenska AB was founded in 1988. The origins of the company was in water jet cutting but in cooperation with Räddningsverket (today the Swedish Civil Contingencies Agency (MSB)), the coldcut Cobra cutting extinguisher was developed in the mid-1990s with the first commercial cutting extinguisher available in 2000. In 2008, Saab acquired a 27% stake in the company. Local adoption has been enthusiastic. Of the over 750 coldcut Cobra systems delivered so far, about 150 are in Sweden and the same amount in the UK. The Cobra has also been sold to fire services in many other countries including Norway, Denmark,