49 C.F.R. § 229.79 Third rail shoes.
Title 49 - Transportation
When locomotives are equipped with both third rail and overhead collectors, third-rail shoes shall be deenergized while in yards and at stations when current collection is exclusively from the overhead conductor.
Title 49: Transportation
PART 229—RAILROAD LOCOMOTIVE SAFETY STANDARDS
Subpart C—Safety Requirements
Electrical System
§ 229.79 Third rail shoes.
