The WB-CMU-6G-B is a new six-gang wall box used in Masonry wall construction. The unit is designed for CMU construction with a large volume plate area for high-density configurations recessed to protect the connectors and multiple KO openings for ¾” to 1-¼” conduit. It can separate compartments for high and low voltage, and gang plates can be configured in many different electrical plate configuration combinations. The box comes complete with a divider and spacers; no extra parts are needed.