1. LawStack
  2. Title 49 - Transportation
  3. Subtitle B - OTHER REGULATIONS RELATING TO TRANSPORTATION
  4. Chapter II - FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
  5. Part 236 - RULES, STANDARDS, AND INSTRUCTIONS GOVERNING THE INSTALLATION, INSPECTION, MAINTENANCE, AND REPAIR OF SIGNAL AND TRAIN CONTROL SYSTEMS, DEVICES, AND APPLIANCES
  6. Subpart A - Rules and Instructions: All Systems
  7. Topic - General
  8. 49 CFR § 236.5
49 CFR § 236.5
Design of control circuits on closed circuit principle
November 18, 2020
CFR

All control circuits the functioning of which affects safety of train operation shall be designed on the closed circuit principle, except circuits for roadway equipment of intermittent automatic train stop system.

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§ 236.4 Interference with normal functioning of device
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§ 236.6 Hand-operated switch equipped with switch circuit controller

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