Class E Fire: E class fire is for Electrical fires arising out from electrically energised devices.
As long as the bottom of the extinguisher is no higher than 27 inches from the floor, it can protrude as far as you like into the walkway because it is within reach of the cane.
Whatever your business or sector, it is possible that at least one administrative body requires you to produce an evacuation map.
Specialist powder extinguishers are designed to tackle type D fires involving combustible metals such as lithium, magnesium, or aluminium.