Ariz. Admin. Code § 11-1-714

Current through Register Vol. 30, No. 50, December 13, 2024

Section R11-1-714 - Telephone or Other Voice Communications Provided Underground

Telephone or other voice communications shall be provided between the surface in any underground refuge chambers and such systems shall be independent of the mine power supply.

Ariz. Admin. Code § R11-1-714

Former Rule 7:14.