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CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER L—OFFSHORE SUPPLY VESSELS (parts 125 to 135) > PART 131—OPERATIONS > SUBPART H—Markings for Fire Equipment and Emergency Equipment (§131.800 to §131.899) > 131.840—Emergency lighting.
131.840—Emergency lighting.
Emergency lighting must be marked with a letter “E” at least 13 millimeters ( 1/2 -inch) high.