For stowage purpose IMDG Code recommends away from “Sources of Ignition” for some classes or substances.
Sources of Ignition includes
- Open fire
- Machinery Exhausts and Galley Uptakes
- Electrical Equipment and Electrical Outlets*
- Reefers and Heated tanks#
* Certified safe type as per SOLAS II-2/19.3.2 excluded
# Explosion proof electrical fittings excluded
Above is not an exhaustive list.