46 C.F.R. § 196.37-13 Fire extinguishing system controls.
Title 46 - Shipping
(a) The control cabinets or spaces containing valves or manifolds for the various fire extinguishing systems shall be distinctly marked in conspicuous red letters at least 2 inches high: “CARBON DIOXIDE FIRE APPARATUS,” or “FOAM FIRE APPARATUS,” etc., as the case may be.
Title 46: Shipping
PART 196—OPERATIONS
Subpart 196.37—Markings for Fire and Emergency Equipment, etc.
§ 196.37-13 Fire extinguishing system controls.
