Where can I find the In-Wall Outlet's Serial Number? Adam Justice August 25, 2021 18:52 Updated The serial number is found on the back of the unit and labeled SN. Related articles My ConnectSense Device Won't Connect Does this outlet require a neutral wire? How do I re-add my In-Wall Outlet My Smart Outlet is being displayed as a single tile in the Home app, instead of the individual sockets, how do I split them? How do I receive firmware updates? Comments 0 comments Please sign in to leave a comment.