[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: 30CFR18.49]



[Page 110]

 

                       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.  18.49  Connection boxes on machines.



    Connection boxes used to facilitate replacement of cables or machine 

components shall be explosion-proof. Portable-cable terminals on cable 

reels need not be in explosion-proof enclosures provided that 

connections are well made, adequately insulated, protected from damage 

by location, and securely clamped to prevent mechanical strain on the 

connections.