[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR236.7]

[Page 639]
 
                        TITLE 49--TRANSPORTATION
 
       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 236_RULES, STANDARDS, AND INSTRUCTIONS GOVERNING THE INSTALLATION, 
 
              Subpart A_Rules and Instructions: All Systems
 
Sec.  236.7  Circuit controller operated by switch-and-lock movement.

    Circuit controller operated by switch-and-lock movement shall be 
maintained so that normally open contacts will remain closed and 
normally closed contacts will remain open until the switch is locked.

[[Page 640]]