Duplex Cover Plate, Series AL3300, Number of Channels Single, Material Aluminum, Length 6 in, Width 2 3/4 in, Color Gray, For Use With AL3300 Raceways, Features Can also be Used with 106 Communication Frames, Duplex Receptacle Cover, Mounts Standard Duplex Devices to Cover, Standards File E4376 Guide RJPR, Fittings: File E41751 Guide RJPR, Multioutlet Assemblies: Meet Article 380 of NEC, PEP, Meet Article 386 of NEC, RoHS