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DIVISION 5. SAFETY IN EMPLOYMENT 6300-9104›PART 4. MINING INDUSTRIES 7500-7501›CHAPTER 3. Underground Telephones 7500-7501

§ 7500

California Labor Code · 2018-11 edition · updated 2026-10-04 · California

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.

(Enacted by Stats. 1937, Ch. 90.)

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California Labor Code

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