___No one I've talked to can offer a clue as to why the fan was installed this way!____
I work "inside". I know why. They are too damn lazy to go to the supply room and get what they need!!! It may run into their break!!!. All day to do it right! No time limits, etc,etc,etc... Yet, this is what they do. Disgusting.
I see it every day. No way do I meen to infer that all inside guys/gals are this way. BUT.. the majority are!