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

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In force date

2021-12-09 Show full text at this date

497. Except for a flexible cord supplying portable apparatus, a cable supplying the signal system and a blasting cable, any conductor or cable shall satisfy the following requirements:

(1) a conductor or a cable suspended in a shaft or in a drill hole inclined more than 45º from the horizontal and carrying power at or over 150 V to ground shall be armoured with steel wire, or the cable shall be covered with interlocked or fixed armour made of metal or another material providing at least equal electrical protection and designed so that the inner sheath cannot slide in the armour;

(2) a conductor or a cable installed underground transmitting power at or over 150 V to ground shall be armoured or shall be in a rigid metal conduit, a flexible conduit or a metal electric tube;

(3) a conductor or a cable transmitting power at or not over 150 V to ground shall be in a metal conduit or a sheath of a material that is flameproof;

(4) conductors in a light conduit or an AC type cable may not be used;

(5) a conductor shall not be smaller than No. 12 AWG.

O.C. 213-93, s. 497; 1431-2021O.C. 1431-2021, s. 101.

2012-09-01 Show full text at this date

497. Except for a flexible cord supplying portable apparatus, a cable supplying the signal system and a blasting cable, any conductor or cable shall satisfy the following requirements:

(1) a conductor or a cable suspended in a shaft or in a drill hole inclined more than 45º from the horizontal and carrying power at or over 150 V to ground shall be armoured; the armour shall be of steel wire or the cable shall be covered with interlocked metal armour and designed so that the inner sheath cannot slide in the armour;