The QP-18D is a control enclosure mounting pad system for the SB-18DSS, measuring approximately 36 inches wide, 16 inches high, and 29 inches deep. The marine-grade aluminum mounting pad includes a cutout measuring 15.6 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.