{"code":"LAB","codeName":"Labor Code","section":"7500","citation":"Lab. Code, § 7500","status":"in-force","lawOn":"2026-09-28","headings":[{"name":"DIVISION 5. SAFETY IN EMPLOYMENT [6300. - 9254.]","url":"https://blackletter.si/labor-code/division-5"},{"name":"PART 4. MINING INDUSTRIES [7500. - 7501.]","url":"https://blackletter.si/labor-code/division-5/part-4"},{"name":"CHAPTER 3. Underground Telephones [7500. - 7501.]","url":"https://blackletter.si/labor-code/division-5/part-4/chapter-3"}],"history":"Enacted by Stats. 1937, Ch. 90.","effective":null,"html":"<p>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.</p>","text":"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.","otherVersions":[],"url":"https://blackletter.si/labor-code/underground-telephones-7500","source":"California Legislative Information bulk export (pubinfo)"}