[Code of Federal Regulations]

[Title 49, Volume 4]

[Revised as of October 1, 2005]

From the U.S. Government Printing Office via GPO Access

[CITE: 49CFR236.57]



[Page 593]

 

                        TITLE 49--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--Table of Contents

 

              Subpart A_Rules and Instructions: All Systems

 

Sec. 236.57  Shunt and fouling wires.



    (a) Except as provided in paragraph (b) of this section, shunt wires 

and fouling wires hereafter installed or replaced shall consist of at 

least two discrete conductors, and each shall be of sufficient 

conductivity and maintained in such condition that the track relay will 

be in deenergized position, or device that functions as a track relay 

will be in its most restrictive state, when the circuit is shunted.

    (b) This rule does not apply to shunt wires where track or control 

circuit is opened by the switch circuit controller.



[49 FR 3383, Jan. 26, 1984]