[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: 30CFR75.822] [Page 542-543] TITLE 30--MINERAL RESOURCES CHAPTER I--MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR PART 75_MANDATORY SAFETY STANDARDS_UNDERGROUND COAL MINES--Table of Contents Subpart I_Underground High-Voltage Distribution Sec. 75.822 Underground high-voltage longwall cables. In addition to the high-voltage cable design specifications in Sec. 75.804 of this part, high-voltage cables for use on longwalls may be a type SHD cable with a center ground-check conductor no smaller than a No. 16 AWG stranded conductor. The cables must be MSHA accepted as flame-resistant under part 18 or approved under subpart K of part 7. [[Page 543]] Appendix A to Subpart I to Part 75--Diagrams of Inby and Outby Switching [GRAPHIC] [TIFF OMITTED] TR17AP02.030 [67 FR 11001, Mar. 11, 2002; 67 FR 18823, Apr. 17, 2002] [[Page 544]]