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
Chubb Fire fighting equipment. The name Pyrene was epitomised by their famous 'pump' extinguisher which was installed on public transport, commercial and private vehicles throughout the western world. 1907 A Scottish engineer unable to get backing in the United Kingdom took his idea for a fire extinguisher to the United States. He set up in New York, and eventually became known as the Pyrene Company of Delaware. 1914 The Pyrene Company Limited began in the United Kingdom, when Wallace B. Phillips, an American set up in Great Queen Street, London, selling 'pump' extinguishers. 1918-20 The company moved to Grosvenor Gardens, London in