[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: 49CFR236.106]



[Page 594-595]

 

                        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. 236.106  Relays.



    Each relay, the functioning of which affects the safety of train 

operations, shall be tested at least once every four years except:

    (a) Alternating current centrifugal type relay shall be tested at 

least once every 12 months;

    (b) Alternating current vane type relay and direct current polar 

type



[[Page 595]]



relay shall be tested at least once every 2 years; and

    (c) Relay with soft iron magnetic structure shall be tested at least 

once every 2 years.



[49 FR 3384, Jan. 26, 1984]