[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: 30CFR18.43] [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. 18.43 Explosion-proof splice boxes. Internal connections shall be rigidly held and adequately insulated. Strain clamps shall be provided for all cables entering a splice box.