NFPA 12 CO2 Fire Extinguisher Signs
What is NFPA 12? This standard was prepared for the use and guidance of those charged with the purchasing, designing, installing, testing, inspecting, approving, listing, operating, or maintaining of Co2 (carbon dioxide) fire extinguishing systems, in order that such equipment will function as intended throughout its life.
4.3.2 Signs. / 220.127.116.11 Warning signs should be affixed in conspicuous location … In every protected space / At every entrance to protected spaces / In spaces near the protected spaces where it is determined CO2 could migrate, creating a hazard to personnel / At each entrance to CO2 storage rooms and where CO2 can migrate or collect in the event of a discharge from a safety device of a storage container.
To obtain a copy of this standard visit NFPA.org