i live in floriday i'm turning my house into a nursing home i fail the ac inspection i hire a ac tec who did most of the work up to code but we have 1 slite difference, both the inside and outside unit is connected to the main disconnect panel outside on the house that main disconnect panel does not come with a face shield so when u open the cover u can see all the main lugs and wire he said i have to cut a metal to create a face so when the inspector open the pane all he see is the breaker switch, that panel have being there of about 30 years without one is it that important