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

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537. Diagrams to scale, updated at intervals not exceeding 12 months shall contain the following information:
(1)  the location of any fixed electrical equipment;
(2)  the paths of the fixed supply conductors and the grounding networks;
(3)  the power of the electrical conductors and of the electrical equipment on a single-line diagram.
The diagrams shall be kept on the mine site.
O.C. 213-93, s. 537.