Electrical Box, Octagon, 4 X 4 in Price For: Each Number of Gangs: 2 Item: Electrical Box Box Type: Octagon Bracket Type: - Number of 1/2" Back Knockouts: 5 Number of 1/2" Side Knockouts: 4 Clamp Type: - Nominal Depth: 1-1/2" Nominal Length: 4" Nominal Width: 4" Color: Silver Capacity: 15.5 cu. in. Material: Steel Country of Origin (subject to change): United States