The MR-8 mud ring is an 8-gang, low voltage mounting bracket that is designed for new construction. It features six 1" and four 2" mounting holes for PVC or "Smurf" conduit. The flanges that have two mounting holes are off-set, so that fittings do not interfere with low-voltage devices. Dimensions: 17-1/2" L x 5-1/2" H x 3-3/4" D.