PART XXXIII USE OF ELECTRICITY IN MINES — Fire extinguishing devices
680
(1) A fire extinguishing device shall be provided at each electrical equipment room, vault, switch house, sub station, mobile electrical equipment and underground garage.
680(2)
The fire extinguishing devices shall be approved for use on electrical fires, appropriate for the type of equipment, located at an exit from the area and maintained.
Not legal advice. Verify the cited article against the signed agreement.