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

Full text
535. The protective device for a trolley wire shall be made of insulating material. The device shall extend at least 75 mm (3.0 in) beyond the lowest point of the trolley wire and may not be further than 225 mm (8.9 in) from it.
O.C. 213-93, s. 535.