Electrical Box Box Type Round Ceiling Pan Number of Gangs 2 Bracket Type 3/8 in Setback Capacity 20 cu in Material Thermoplastic Number of 1/2 in Back Knockouts 0 Number of 1/2 in Side Knockouts 0 Clamp Type - Nominal Depth 2 3/8 in Nominal Length 6 in Nominal Width 4 1/4 in Color Black Standards File E104681 and R9320 UL Standard 514-C