{"data":{"id":"us/49-cfr-236.74","jurisdiction":"us","citation":"49 CFR 236.74","heading":"Protection of insulated wire; splice in underground wire.","body":"Insulated wire shall be protected from mechanical injury. The insulation shall not be punctured for test purposes. Splice in underground wire shall have insulation resistance at least equal to the wire spliced.","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":"fd34e952c7d8d45cca92f6b77f858e0d29cfdb90680c0a2091f205db80650c96","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-236.73","next":"us/49-cfr-236.75"},"notice":"GroundRules: Original legal text. Not legal advice."}