Obviously, these are all designed to detect smoke, and as e-cigs produce vapour and not smoke logic would tell you they shouldnt cause any kind of smoke alarm to ring, but even in a real fire situation its not the actual smoke which triggers it as mentioned, its the change to light beams or particle density which will do that
Bearman, and Kathleen Mullan Harris at the University of North Carolina at Chapel Hill, and funded by grant P01-HD31921 from the Eunice Kennedy Shriver National Institute of Child Health and Human Development, with cooperative funding from 23 other federal agencies and foundations
CONCLUSIONS Our online survey of a nationwide sample of adults provided reliable and comparable estimates of cigarette smoking and nicotine product use behaviors among Malaysians
Aircraft models designed after the no-smoking regulations were put into place, such as the Boeing 787 and Airbus A350, lack light-up no-smoking signs entirely, and instead put the no-smoking sign on a printed label
Doiron M, Dupr N, Langlois M, Provencher P, Simard M