GroundRules
30 CFR 75.907: Design of trailing cables for medium-voltage circuits.
Where this section sits in the code
- Title 30—Mineral Resources
- CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
- SUBCHAPTER O—COAL MINE SAFETY AND HEALTH
- PART 75—MANDATORY SAFETY STANDARDS—UNDERGROUND COAL MINES
- Subpart J—Underground Low- and Medium-Voltage Alternating Current Circuits
[Statutory Provisions]
Trailing cables for medium-voltage circuits shall include grounding conductors, a ground check conductor, and grounded metallic shields around each power conductor or a ground metallic shield over the assembly, except that on equipment employing cable reels, cables without shields may be used if the insulation is rated 2,000 volts or more.
Collected 2026-08-27T02:25:24Z. Source file · JSON