California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 17 - Mine Safety Orders
Article 41 - Telephones
Underground
Section 7166 - Telephones for Shaft Work
Universal Citation: 8 CA Code of Regs 7166
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
When a shaft-sinking or shaft-deepening operation reaches a depth of 100 feet below the shaft-sinking hoist, a telephone system shall be installed for communication between the shaft crew and the hoistman.
It is recommended that a portable type of telephone be provided for the shaft crew so that it can be kept near their working place during working hours.
Disclaimer: These regulations may not be the most recent version. California may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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