56 5-Gang Welded multi-gang box features 0.0625-Inch steel construction and pre-galvanized finish. It has 14 concentric 1/2-Inch & 3/4-Inch top & knockouts in bottom, four concentric 1/2-Inch & 3/4-Inch knockouts in sides and six 1/2-Inch & four 3/4-Inch knockouts in back. This rectangle box measures 12-1/4-Inch x 4-1/2-Inch. It has capacity of 85.8-Cubic-Inch. This box accepts two styles of covers, flat and 3/4-Inch raised device cover. It uses low-voltage partitions #947 or #949. Box is UL listed.