R327.5

Section R327.5 is titled 'Ventilation' and covers requirements for stationary storage battery systems. The requirement for systems installed indoors that produce flammable gases, to be provided with ventilation in accordance with another section of this code is established. The purpose of this section is to prevent fires and explosions.

The model shows an x-rayed skin of a house with a stationary storage battery system that produces hydrogen gas when charging, which is installed in a non-habitable indoor area that has a ventilation system serving the space.