The QP-24D is a control enclosure mounting pad system for the SB-24DSS, measuring approximately 36 inches wide, 16 inches high, and 29 inches deep. The mounting pad includes a cutout measuring 14.5 inches by 10.5 inches for easy connection of conduit into the base of the enclosure. The buried support provides added stability and security for the entire assembly. Patent No. 6,321,928.