Control4® 5-Slot and 2-Slot Panels

Is there any reason our electrician skipped a slot when installing the slot panel Schneider Electric India HMIPUC6D0E01 - Panel PC Universal - CFast - 12'' - DC - 0 slot slot daya4d Slot MDF for Display Board Usage 18mm Laminated Slot MDF Board Size: 1220x2440mm or by requirements Thickness: 15mm, 18mm Kind: Plain MDF

slot dana 5000 Panel and door components for 8020 T-slot projects: panels, plates, and mesh with glides, tracks, hinges, handles, latches, catches,