Cal. Code Regs. tit. 19 § 1570.7
Current through Register 2024 Notice Reg. No. 50, December 13, 2024
Only the man making leading wire connections in electrical firing shall fire the shot. All connections shall be made from the bore hole back to the source of firing current, and the leading wires shall remain shorted and not connected to the blasting machine or other source of current until the charge is to be fired.
Cal. Code Regs. Tit. 19, § 1570.7