[Code of Federal Regulations]

[Title 49, Volume 4]

[Revised as of October 1, 2006]

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

[CITE: 49CFR236.9]



[Page 604]

 

                        TITLE 49--TRANSPORTATION

 

       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 

                             TRANSPORTATION

 

PART 236_RULES, STANDARDS, AND INSTRUCTIONS GOVERNING THE 

 

              Subpart A_Rules and Instructions: All Systems

 

Sec.  236.9  Selection of circuits through indicating or annunciating 



instruments.



    Signal control and electric locking circuits shall not be selected 

through the contacts of instruments designed primarily for indicating or 

annunciating purposes in which an indicating element attached to the 

armature is arranged so that it can in itself cause improper operation 

of the armature.