Code of Federal Regulations (Last Updated: July 5, 2024) |
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 G - Definitions |
§ 236.786 - Principle, closed circuit.
Latest version.
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§ 236.786 Principle, closed circuit.
The principle of circuit design where a normally energized electric circuit which, on being interrupted or deenergized, will cause the controlled function to assume its most restrictive condition.