Concrete floor box. Made of 16-gauge stamped steel. 1.5 inch before pour adjustability. 0.75 inch after pour adjustability. 4 x 29.5 wiring chamber cubic-inch capacity. 283 inch overall cubic-inch capacity. Combination knockouts. Adjustable mounting bracket in raised access floor boxes. Reversible 1-piece steel grey cover/flange assembly. Oversized cable door. Internal passageways provide optimal capacity while maintaining separation of power from low voltage cables. Structural durability in slab, above grade or raised floor applications. Combination of 1-1/4, 1, 3/4 and 1/2 inch conduit openings support various wire capacities. Hinged clamping arms provide ease of installation from above. Meets load requirements and provides access to multiple connections. Spacious passageway for exiting cables. These multi-service boxes are available in screw type modular face plates from the Multi-connect recessed wall box offering. Single gang face plate options accommodate blank, toggle, Style Line®, duplex and various manufacturer's data connectors. One reversible metallic cover/flange assembly mounts to both style boxes and has been designed with a large cable door to provide ample room for exiting cables. Pour boxes are also available to secure raised access floor boxes in slab grade applications.