The differences between freight and passenger elevators are as simple as the definitions of each that you can find in the American Society of Mechanical Engineers (ASME) – Code for Elevators and Escalators. Unfortunately, just like most code books, the definition doesn’t really reveal much. For instance the freight elevator is defined as, and I quote:
“An elevator used primarily for carrying freight” (no kidding) “and on which only the operator and the persons necessary for unloading and loading the freight are permitted to ride.”
The code does go on to indicate there are three different classes of freight elevator– general, motor vehicle, and truck loading–but beyond that there is little that legally distinguishes freight from passenger. This is confirmed by the definition of a passenger elevator. It is defined in the same publication as….Find out the answer here.