Minneapolis, Minn., Code of Ordinances § 12 § 244.920

(a) [ When required; location. ] In all multiple dwellings having three (3) or more dwelling units and in all dormitories, convents, monasteries, hotels, lodging or rooming houses, fraternity and sorority houses, or in other similar buildings containing more than ten (10) sleeping rooms or occupied by more than twenty (20) persons, there shall be supplied on each floor, including the basement or cellar, one fire extinguisher for every six thousand (6,000) square feet of floor area or fraction thereof. All hand fire extinguishers shall be conspicuously and conveniently located so that the extinguisher is not more than five (5) feet, nor less than two (2) feet, above the floor in public halls or corridors and so maintained as to be in good working condition at all times. Providing that in no case shall the occupant of any dwelling or rooming unit have to travel more than seventy-five (75) feet from the entrance of the occupant's unit to reach a fire extinguisher. Fire extinguishers shall be a minimum of Class 2A-10BC or an equivalent approved by the fire department.
(b) [ Portable extinguishers. ] Whenever portable fire extinguishers are required by this code, the person who owns or controls such extinguisher shall comply with the following: A portable stored pressure fire extinguisher equipped with pressure indicators or gauge shall be inspected and maintained by a licensed serviceworker not less than once every two (2) years. All other portable fire extinguishers shall be serviced or recharged not less than once each year. All such fire extinguishers shall meet all requirements and specifications as set forth in National Fire Protection Association Pamphlet No. 10, Installation of Portable Fire Extinguishers, copies of which are on file in the offices of the city clerk and the fire department.
(c) [ Discontinuance of inverted-type extinguishers. ] The use of inverted-type fire extinguishers shall be discontinued and they shall be discarded. "Inverted-type fire extinguisher" means all fire extinguishers that require the device to be turned upside down to be activated. This includes soda acid, foam, water cartridge and loaded stream cartridge fire extinguishers. No person shall hydrostatically test any inverted-type fire extinguisher.
(d) [ Tampering with or removal. ] No person shall tamper with, meddle with, remove, empty, damage or destroy any extinguisher except in the event of fire or authorized inspection. (Code 1960, As Amend., § 75.040; 78-Or-244, § 35, 11-22-78; Pet. No. 252271, § 24 , 5-11-90; 92-Or-176 , § 1, 12-18-92)