49 C.F.R. § 229.85 Doors and cover plates marked “Danger”.
Title 49 - Transportation
All doors and cover plates guarding high voltage equipment shall be marked “Danger—High Voltage” or with the word “Danger” and the normal voltage carried by the parts so protected.
Title 49: Transportation
PART 229—RAILROAD LOCOMOTIVE SAFETY STANDARDS
Subpart C—Safety Requirements
Electrical System
§ 229.85 Doors and cover plates marked “Danger”.
