Circuit controller operated by switch-and-lock movement.

1. Law
2. CFR 49
3. Transportation
4. Other Regulations Relating to Transportation
5. Federal Railroad Administration, Department of Transportation
6. Rules, Standards, and Instructions Governing the Installation, Inspection, Maintenance, and Repair of Signal and Train Control Systems, Devices, and Appliances
7. Rules and Instructions: All Systems
8. General
9. Circuit controller operated by switch-and-lock movement.

§ 236.7 Circuit controller operated by switch-and-lock movement.

Circuit controller operated by switch-and-lock movement shall be maintained so that normally open contacts will remain closed and normally closed contacts will remain open until the switch is locked.

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