CHAPTER 3. Underground Telephones [7500. - 7501.]

Cal. Labor Code - LAB 3.
in effect

Cal. Labor Code - LAB § 7500. Section 7500.

In all mines operated in the State where a depth of more than five hundred feet underground has been reached, a telephone system shall be established, equipped and maintained by the owners or lessees of the mine with stations at each working level below the depth aforesaid, communicating with a station on the surface of the mine.

Cal. Labor Code - LAB § 7501. Section 7501.

The failure or refusal of any owner or lessee to install or maintain such telephone system is a misdemeanor.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

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