Lighting fixtures for fluorescent tubes with emergency

These equipment are suitable to be installed in places in which, during the
normal activities, explosive atmosphere caused by gases, vapours, mists or
caused by mixture of air and combustible dust are likely to occur.
They type of protection flameproof “d”.
They are ideal to ensure emergency lighting when the supply to normal
lighting fails as to provide to safety of people leaving a location or attempting
a potentially dangerous process before doing so.