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S-2.1, r. 14 - Regulation respecting occupational health and safety in mines
Section 483
Disposition versions
483. (Revoked).
O.C. 213-93, s. 483; 945-2020O.C. 945-2020, s. 61.
483. Metal pipes, rails, metal cables and other continuous conductors located on the surface not forming part of the electrical system and penetrating into an underground mine shall be protected on the surface against overvoltages caused by lightning by means of a grounding network having a ground resistance of 6 ohms or less.
