Mounts power/communications devices when additional depth is required. Has combination twistouts for 2700, 2800, 2900, and NM2000 Series Raceways. 4 3/4in L x 3in W x 2 3/4in D (121mm L x 76mm W x 70mm D). 1-Gang. This product meets the material restrictions of RoHS.Mounts power/communications devices when additional depth is required. Has combination twistouts for 2700, 2800, 2900, and NM2000 Series Raceways. 4 3/4in L x 3in W x 2 3/4in D (121mm L x 76mm W x 70mm D). 1-Gang. This product meets the material restrictions of RoHS.