One 2A10BC portable extinguisher must be provided within each 75 feet of travel distance in low and ordinary hazard occupancies. High hazard occupancies such as vehicle repair, flammable liquid storage, etc. shall be provided with a 2A10BC extinguisher every 50 feet of travel distance. Additional extinguishers may be required in hazardous locations.
Extinguishers must be mounted on the wall so that the top is no more than five feet above the floor and a striker bar must be provided if they are locked in a glass security cabinet. Extinguishers must be easily identified as to location and must be serviced and accessible at all times.