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
Hamlet chicken processing plant fire . When the line with a customized connector was brought up to normal operating pressure, it separated from the connector at between . Hydraulic fluid spattered onto the heating lines for the cooker and immediately vaporized. This vapor then went directly into the flame of the gas-fired cooker. The vapor had a relatively low flash point and erupted into a fireball. The ruptured hydraulic line then pumped of hydraulic fluid into the fire before electrical failure shut it down. A state-of-the-art automatic carbon dioxide fire extinguisher designed to cope with such fires had been installed over the vat after a