S-2.1, r. 14 - Regulation respecting occupational health and safety in mines

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496. A switchboard installed underground shall be located in a location:
(1)  separated from travelways;
(2)  having its floor installed so that water cannot accumulate on it;
(3)  at least 3.5 m (11.5 ft) from the timbering of a shaft.
O.C. 213-93, s. 496.