"Changes to wiring direction are now easy with pre-fabricated L, T, and X-shape tray junctions. These factory-made junctions help to cut costs and installation times. Each style of tray junction is available in 2 or 4 inch depths and in widths of 6, 8, 12, 18, and 24 inches."... Click here for more info on ME2 Crossroad Junction 8 w x 4 Depth.