Unity 4448GNK Lay-In Wireway, Removable Hinged Cover Type, Length: 48 IN, Width: 4 IN, 4 IN Height, NEMA 1, IP30 Enclosure, Construction: Formed From Code Gauge, Low Carbon Steel, 16 GA Low Carbon Steel, Gunsmoke Gray Powder Coated, No Knockouts, C/US UL 50 And UL 870 - Type 1: Intended For Indoor Use Primarily To Provide A Degree Of Protection Against Limited Amounts Of Falling Dirt, CSA C22.2 No. 26 Certified, Type 1, IEC 60529, RoHS Compliant, For Cable And Wire Junction, Distribution And Termination, Houses Runs Of Control And Power Cable