Electrical Box Box Type Gang Number of Gangs 3 Bracket Type - Capacity 90 cu in Material Galvanized Steel Number of 1/2 in Back Knockouts 6 Number of 1/2 in Side Knockouts 0 Clamp Type - Number of 1 in Side Knockouts 6 Number of 3/4 in Back Knockouts 4 Number of 3/4 in Side Knockouts 14 Nominal Depth 2 1/2 in Nominal Length 4 1/2 in Nominal Width 8 5/8 in Color Silver Standards UL