GroundRules
30 CFR 77.703: Grounding frames of stationary high-voltage equipment receiving power from ungrounded delta systems.
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 77—MANDATORY SAFETY STANDARDS, SURFACE COAL MINES AND SURFACE WORK AREAS OF UNDERGROUND COAL MINES
- Subpart H—Grounding
The frames of all stationary high-voltage equipment receiving power from ungrounded delta systems shall be grounded by methods approved by an authorized representative of the Secretary.
Collected 2026-08-27T02:25:24Z. Source file · JSON