California Code of Regulations
Title 19 - Public Safety
Division 1 - State Fire Marshal
Chapter 10 - Explosives
Subchapter 4 - Use and Handling of Explosives
Article 8 - Explosives Initiation
Section 1570.7 - Circuit Connections

Universal Citation: 19 CA Code of Regs 1570.7
Current through Register 2024 Notice Reg. No. 38, September 20, 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.

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