Electrical Box Box Type Octagon with Bracket Number of Gangs 2 Bracket Type TS Capacity 15.5 cu in Material Galvanized Steel Number of 1/2 in Back Knockouts 5 Number of 1/2 in Side Knockouts 3 Clamp Type - Nominal Depth 1 1/2 in Nominal Length 4 in Nominal Width 4 in Color Silver Standards File E195978 UL 514-A Listed