46 CFR § 131.825 - Fixed fire extinguishing system controls.

Each control cabinet or space containing a valve or manifold for a fire extinguishing system must be distinctly marked in conspicuous red letters at least 2 inches high: “[CARBON DIOXIDE/HALON/CLEAN AGENT] FIRE APPARATUS”, as appropriate.

[USCG–2006–24797, 77 FR 33884, June 7, 2012]