46 CFR §108.141
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Each boundary bulkhead and deck of a space containing an emergency electric power source or components of an emergency electric power source that adjoins a space containing a ship's service generator, the components of a ship's service generator, or a classified space must be an A-60 bulkhead and A-60 deck.