344. Protective footwear: The wearing of protective shoes in compliance with CAN/CSA-Z195-14 Protective Footwear is mandatory for all workers exposed to foot injuries incurred in the following cases:(1) by perforation;
(2) by electric shock;
(3) by an accumulation of electrostatic charges;
(4) by the falling of heavy, burning or sharp objects;
(5) by contact with molten metal;
(6) by contact with dangerous substances in a liquid state and at intense temperatures;
(7) by contact with dangerous substances that are corrosive;
(8) during other dangerous tasks.