how deep to bury fiber optic cable
Roadway crossings will need a deeper standard burial depth for the fiber optic cable. The recommended cable burial depth in this instance is 42 inches. All cable burials no matter the depth, will be marked by a brightly colored ribbon.he burial of fiber optic cable must take into consideration the climate. If the ground is likely to freeze during extended periods of time, it is important to bury the cable at least 30 inches below ground.