Air gap.

  1. Law
  2. CFR 30
  3. Mineral Resources
  4. Mine Safety and Health Administration, Department of Labor
  5. Metal and Nonmetal Mine Safety and Health
  6. Safety and Health Standards - Underground Metal and Nonmetal Mines
  7. Explosives
  8. Extraneous Electricity - Surface and Underground
  9. Air gap.

Checkout our iOS App for a better way to browser and research.

§ 57.6603 Air gap.

At least a 15-foot air gap shall be provided between the blasting circuit and the electric power source.


Download our app to see the most-to-date content.