In telecom applications, air-assisted “cable blowing” is sometimes used for fiber optic installation. Smooth innerduct conduit is better suited in these cases. Whether you are building a duct bank for a municipal broadband project, pulling cable through an existing. Premier Corrugated HDPE is manufactured from High Density Polyethylene (HDPE) and is intended to be placed inside of existing innerduct. It's ideal for pulls under 1000 ft. Unlike rigid conduit, which has smooth walls and requires precise bending or multiple fittings, corrugated conduit bends easily around corners, obstacles, and. Innerduct has long been used to protect and segregate fiber optic cables installed in conduit outside-plant and premise environments. It also protects and segregates fiber cables in cable tray throughout telecommunications spaces and pathways. But did you know that there are multiple types of. Whether for underground or overground installations, you have a wide choice of cable protection solutions to ensure your power and cable lines are fully protected during repair, retrofitting or constrution work. Either rigid or flexible, made of PE, PP or PVC, sand-proof, waterproof or fireproof. Technical specifications for COD corrugated pipes.