[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: 30CFR18.44]



[Page 108]

 

                       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]