Duct fiber optic cables are installed inside protective conduits, offering better protection, easier maintenance, and long-term scalability. Fiber cables are then pulled or blown through the ducts. Typical use: urban roads, business districts, campus and data center interconnect. Recommended cable: duct-grade loose-tube. The short answer is yes, fiber optic cable can typically be directly buried but there are general concerns that need to be assessed. It forms a critical backbone for modern communication networks across both urban and rural environments. Already Know What You Are Looking For? Already have your cable in mind? Visit all our outdoor cables here. Compared with conduit-and-pull methods, direct-burial can reduce materials and civil-work time on long point-to-point runs, and is widely used for campus, rural and.