2-1/2" deep, 6" square junction boxes with (12) 3/4" side knockouts and (3) 1/2" & (2) 3/4" bottom knockouts provide extra wire capacity allowing electric and data wires and cables to be properly routed and housed. They ensure that there are no sharp bends that may damage the cables inner conductors. Additionally, they allow the installer to route wires and cables to ensure the inner conductor remains intact and capable of fast signal transmission.