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California Labor Code

§ 7963

LAB § 7963Div. 5 · Part 9 · Ch. 1
All underground mines and tunnels with more than five men underground at one time shall have telephone or other communication systems to the surface in operation at any time there are persons underground. Such systems shall be installed in such a manner that destruction or removal of one phone or communication device does not make other phones or communication devices inoperative.

Legislative history

Added by Stats. 1972, Ch. 1430.

Source: California Labor Code § 7963 from the California Legislative Information (public record). DecisionDepot is for informational use only and is not legal advice — verify against the official source before relying on this text.