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

Full text
425. The distribution of electricity in explosives magazines shall comply with the following standards:
(1)  the maximum voltage of lighting circuits may not exceed 150 V to the ground;
(2)  the conductors shall be installed in a rigid conduit with screwed and watertight joints or in an armoured moisture-proof cable;
(3)  the lighting fixtures shall be dustproof;
(4)  the protective devices and control devices shall be installed in a cabinet placed outside the magazine;
(5)  the lighting circuit overload protection shall not exceed 10 A;
(6)  the circuits shall be open before the fixtures are opened to change the bulbs;
(7)  the metal parts shall be interconnected and permanently grounded.
O.C. 213-93, s. 425.