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
Green Fire (novel) Green Fire (novel) Green Fire is a science fiction novel by American writer John Taine (pseudonym of Eric Temple Bell). It was first published in 1928 by E. P. Dutton. The novel was adapted and produced as a play. The novel concerns two corporations competing to develop the power of atomic energy. Independent Laboratories is working for the advancement of mankind, and Consolidated Power is working for personal gain. Nature goes berserk, and James Ferguson, the leader of Independent, discovers that Jevic, the Director of Consolidated, has achieved his goal. Nebulae in space are marked with a greenish glow and