My wife has several models in her community.
They just brought the lighting circuits into a small cabinet, chase nippled, next to the main panel and installed a couple 3 pole contactors (one pole for each circuit switched), then back to the breakers. They run the contactors off a regular timer.
I don't think they are actually wired any different and these are the general lighting circuits that get switched, receptacles and all. (a lot of the lighting is table lamps anyway)
When the house eventually sells they will pull out the cabinet, timer, pop in a KO plug and move the circuit conductors directly to the breakers for those circuits.
They have had customers who wanted it left alone. These models usually get sold furnished and some people even want the fake food and other knick nacks they have laying around. I often wonder if they change the pictures.
[This message has been edited by gfretwell (edited 10-24-2006).]
