49 C.F.R. § 236.76 Tagging of wires and interference of wires or tags with signal apparatus.
Title 49 - Transportation
Each wire shall be tagged or otherwise so marked that it can be identified at each terminal. Tags and other marks of identification shall be made of insulating material and so arranged that tags and wires do not interfere with moving parts of apparatus. [49 FR 3384, Jan. 26, 1984]
Title 49: 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
Wires and Cables
§ 236.76 Tagging of wires and interference of wires or tags with signal apparatus.
