MOUNTING HEIGHTS. The ADA Accessibility Guidelines state that a person in a wheelchair should not have to reach higher forward than 48 inches or lower forward than 15 inches from the ground. Consider Mounting Height and Protrusions for Fire Extinguishers. In no circumstance shall a fire extinguisher be installed with the bottom of the fire extinguisher less than 4 inches above the floor. ADA Accessible Guideline 4.4 Cabinets and Fire Extinguishers projecting from walls with their leading edges between 27 inches and 80 inches above the finished floor shall protrude no more than 4 inches into walks, halls, corridors, passageways, or aisle. The maximum reach to this equipment (for example, the fire extinguisher handle) is 48" above the floor. Where the bottom of the extinguisher or the bottom of the surface mounted cabinet is 27 inches or less above the floor, the ADA 4-inch protrusion rule does not apply because ADA permits the extinguisher or cabinet to protrude any distance from the wall. For an unobstructed approach, the maximum forward reach to this equipment (for example, the fire extinguisher handle) is 48" above the floor. If the floor space does not allow for a forward approach, a side approach to the fire … The maximum side reach for such an approach is 48". Fire extinguishers weighing a total of more than 40 pounds must always be installed so that the top of the fire extinguisher is no more than 42 inches above the floor. Surface mounted extinguisher cabinets follow the same rules as extinguishers on hangers. When installing a fire extinguisher, it is important to consider the height. A fire extinguisher weighing less than 40 pounds, like the extinguishers found in your home, should be hung so that the top is not more than five feet above the ground, but no lower than four inches above the floor, according to the National Fire Protection Association's Standard for … ADA Guidelines specify reach ranges for building occupants who require access to equipment such as fire extinguishers and other fire safety devices. ADA Guidelines specify reach ranges for building occupants who require access to equipment such as fire extinguishers and other fire safety devices. While there is no fixed ADA fire extinguisher height, facilities managers are left with only a few mounting or hanging options that comply with both the ADA and most of today's fire codes: Install the extinguisher in the hazard zone using a recessed cabinet that protrudes no farther than 4 inches According to the ADA, if an object is mounted to the wall (like fire extinguishers often are), and their leading edges are located between 27 inches and 80 inches above the finished floor, the mounted object can protrude no more than four inches into walkways, corridors, passageways, or aisles.