Cutout pattern in bottom accommodates 1-gang or full width AC power modules and mini and universal DC power supplies|Mounting slots on the enclosure simplify adjustment for different sheetrock depths|Sheetrock depth marks (1/2, 5/8 and 3/4 in) on the enclosure simplify alignment|Lance slots provide clean cable management within the enclosure|Multiple knockouts on the top support conduit up to 2 in Dia and facilitate cable routing and entry|Self-healing foam grommets protect cable bundles and prevent dust from entering the enclosure|Holds quarter, half and full width expansion modules, with the ability to mount most modules vertically or horizontally|3.85 in D|These enclosures are ideal for new installations or retrofits|Snap-on cover requires no tools or fasteners