[Code of Federal Regulations]
[Title 30, Volume 1]
[Revised as of July 1, 2006]
From the U.S. Government Printing Office via GPO Access
[CITE: 30CFR77]

[Page 667]
 
                       TITLE 30--MINERAL RESOURCES
 
  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
 
PART 77_MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK 
AREAS OF UNDERGROUND COAL MINES--Table of Contents
 
            Subpart S_Trolley Wires and Trolley Feeder Wires
 
Sec.  77.1801-1  Devices for overcurrent protection.

    Automatic circuit interrupting devices that will deenergize the 
affected circuit upon occurrence of a short circuit at any point in the 
system will meet the requirements of Sec.  77.1801.

[[Page 668]]