Outdoor (OSP) Loose Tuber Pre-Terminated Assemblies are a great asset for your next fiber run. Cut out field termination time and costs. When we receive your custom order, we build the assembly to your specifications using the finest materials to our exacting standards. The assembly is made in the USA with Corning fiber by skilled technicians under controlled conditions and comes to you fully tested and ready for immediate installation. Outdoor (OSP) cable is rated for almost all outdoor applications. This cable is suitable for underground installation, overhead lashed to a guy wire, or secured to a building or other permanent outdoor structure.