The BB-4000L back box provides a recess-mounted steel enclosure for the Isys TPS-4000L wall mount touchpanel. Designed for pre-construction applications, the BB-4000L permits fastening to the stud of a framed wall prior to hanging drywall, and includes an assortment of knockouts to accommodate conduit fittings.

　　The back box enclosure is sized to allow adequate airflow for the touchpanel when installed in an enclosed wall. Supplemental ventilation holes are also provided.

　　A blank cover panel is included for use prior to installation of the actual touchpanel.