Labor Code section 7983

The main fan line used for ventilation in any tunnel or underground mine classified extrahazardous shall contain a cutoff switch capable of halting all machinery underground automatically should the fan fail or its performance fall below minimum power needed to maintain a safe atmosphere.

Source: Section 7983, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=LAB§ionNum=7983. (accessed Apr. 24, 2025).

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Last Updated

Apr. 24, 2025

§ 7983’s source at ca.gov

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Location: https://california.public.law/codes/labor_code_section_7983

Original Source: Section 7983, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=LAB§ionNum=7983. (last accessed Apr. 24, 2025).