Larry-H

Im using x15 I added have interior walls 24" apart which allows a cavity between the walls and would like to add modified recessed cabinets 10" deep in the walls when I do the app does not allow me to imbed the cabinets and show the full 10 " depth- instead it shows the drywall at back of the recessed cabinet at 4" ( the depth of the default wall) how do i rececess the cabinet in the wall and show it's full depth Untitled 2.pdf

Cheif Arch x14-- can someone tell me how to hang several shop lights equal distance from floor on sloped ceiling - there is only a " offset from ceing" choice whan i open object