Electrical Box Box Type Switch Number of Gangs 1 Bracket Type No Ears Capacity 12.5 cu in Material Galvanized Zinc Number of 1/2 in Back Knockouts 1 Number of 1/2 in Side Knockouts 0 Clamp Type NM-B Nominal Depth 2 1/2 in Nominal Length 3 in Nominal Width 2 in Color Silver Standards UL File E195978