Electric locks, force drop type; where required.
        
        
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            Law
          
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                CFR 49
              
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                Transportation
              
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                Other Regulations Relating to Transportation
              
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                Federal Railroad Administration, Department of Transportation
              
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                Rules, Standards, and Instructions Governing the Installation, Inspection, Maintenance, and Repair of Signal and Train Control Systems, Devices, and Appliances
              
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                Rules and Instructions: All Systems
              
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                General
              
- Electric locks, force drop type; where required.
            
  Electric locks on new installations and new electric locks applied to existing installations shall be of the forced drop type. 
          
           
           
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