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 The combined expertise of Pyrene, Minimax and Read and Campbell have contributed to today's production techniques and have simplified designs resulting in the modern extinguisher which is lighter in weight, easier to handle and of greater efficiency than before. Seize & Squeeze 1975 In 1975, Chubb Fire launched their new range of extinguishers under the banner 'Seize and Squeeze'! These extinguishers, fitted with a new style of head, enabled them to be operated by simply withdrawing a pin and squeezing a lever, no matter which type of extinguisher in the Chubb range was being used. Previously, different operating methods were