[Code of Federal Regulations]
[Title 30, Volume 1]
[Revised as of July 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 30CFR18.44]

[Page 102]
 
                       TITLE 30--MINERAL RESOURCES
 
  CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
 
PART 18--ELECTRIC MOTOR-DRIVEN MINE EQUIPMENT AND ACCESSORIES--Table of Contents
 
             Subpart B--Construction and Design Requirements
 
Sec. 18.44  Non-intrinsically safe battery-powered equipment.

    (a) Battery-powered equipment shall use battery assemblies approved 
under Part 7 of this chapter, or battery assemblies accepted or 
certified under this part prior to August 22, 1989.
    (b) Battery box covers shall be secured in a closed position.
    (c) Each wire or cable leaving a battery box on storage battery-
operated equipment shall have short-circuit protection in an explosion-
proof enclosure located as close as practicable to the battery 
terminals. A short-circuit protection device installed within a nearby 
explosion-proof enclosure will be acceptable. In no case shall the 
exposed portion of the cable from the battery box to the enclosure 
exceed 36 inches in length. Each wire or cable shall be protected from 
damage.

[53 FR 23500, June 22, 1988]