[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 646]
 
                       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 I_Surface High-Voltage Distribution
 
Sec.  77.801-1  Grounding resistors; continuous current rating.

    The ground fault current rating of grounding resistors shall meet 
the ``extended time rating'' set forth in American Institute of 
Electrical Engineers, Standard No. 32.