{"data":{"id":"us/49-cfr-236.206","jurisdiction":"us","citation":"49 CFR 236.206","heading":"Battery or power supply with respect to relay; location.","body":"The battery or power supply for each signal control relay circuit, where an open-wire circuit or a common return circuit is used, shall be located at the end of the circuit farthest from the relay.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","PART 236—RULES, STANDARDS, AND INSTRUCTIONS GOVERNING THE INSTALLATION, INSPECTION, MAINTENANCE, AND REPAIR OF SIGNAL AND TRAIN CONTROL SYSTEMS, DEVICES, AND APPLIANCES","Subpart B—Automatic Block Signal Systems"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"1069b7ae5fa04851294d3658c8a315ac96907352ff818835c3ccfa58b8a85830","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-236.205","next":"us/49-cfr-236.207"},"notice":"GroundRules: Original legal text. Not legal advice."}