{"data":{"id":"us/49-cfr-236.73","jurisdiction":"us","citation":"49 CFR 236.73","heading":"Open-wire transmission line; clearance to other circuits.","body":"Open-wire transmission line operating at voltage of 750 volts or more shall be placed not less than 4 feet above the nearest crossarm carrying signal or communication circuits.","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 A—Rules and Instructions: All 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":"f7e6c5b1ba4e989073065956279d7a7a507c511835f9a33d442f727ce3319105","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-236.72","next":"us/49-cfr-236.74"},"notice":"GroundRules: Original legal text. Not legal advice."}