GroundRules
30 CFR 56.6403: Branch circuits.
Where this section sits in the code
- Title 30—Mineral Resources
- CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR
- SUBCHAPTER K—METAL AND NONMETAL MINE SAFETY AND HEALTH
- PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES
- Subpart E—Explosives
(a) If electric blasting includes the use of branch circuits, each branch shall be equipped with a safety switch or equivalent method to isolate the circuits to be used.
(b) At least one safety switch or equivalent method of protection shall be located outside the blast area and shall be in the open position until persons are withdrawn.
Collected 2026-08-27T02:25:24Z. Source file · JSON