{"data":{"id":"us-ca/lab-7500","jurisdiction":"us-ca","citation":"LAB § 7500","heading":"","body":"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.","path":["Labor Code - LAB","DIVISION 5. SAFETY IN EMPLOYMENT [6300. - 9254.]","PART 4. MINING INDUSTRIES [7500. - 7501.]","CHAPTER 3. Underground Telephones [7500. - 7501.]"],"source_url":"https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zip","current_through":"2026-09-13","vintage":"","retrieved_at":"2026-09-14T05:56:33Z","sha256":"238eb5dbf4781332cedb5a40a137edf1804cce4f116e2843ec35c3ac3d47b410","source_id":"us-ca","stale":false,"prev":"us-ca/lab-7384","next":"us-ca/lab-7501"},"notice":"GroundRules: Original legal text. Not legal advice."}