[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: 49CFR236.107]



[Page 595]

 

                        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. 236.107  Ground tests.



    (a) Except as provided in paragraph (b) of this section, a test for 

grounds on each energy bus furnishing power to circuits, the functioning 

of which affects the safety of train operation, shall be made when such 

energy bus is placed in service, and shall be made at least once every 

three months thereafter.

    (b) The provisions of this rule shall not apply to track circuit 

wires, common return wires of grounded common single-break circuits, or 

alternating current power distribution circuits grounded in the interest 

of safety.



[49 FR 3384, Jan. 26, 1984]