Optical cable is usually placed in a 25 to 40 mm inside diameter (ID) sub-duct which is placed into an existing larger diameter communications conduit. Most communications conduits can be fitted with three or four sub-ducts. Sub-ducts are often referred to as innerducts. 2 meters (3-4 feet) deep to reduce the likelihood of accidentally being dug up. In extreme cold climates, cables may need to be buried at greater depths where there temperatures are colder and frost penetrates to. Fiber optic cable transmits data as light pulses through thin strands of glass or plastic, offering high speed and bandwidth. The hair-thin glass cores within the cable are highly sensitive to physical stress and tight bending, which can cause signal loss or permanent damage. Protecting this. The Fiber Optic Association, Inc. The charter of the FOA was to promote professionalism in fiber optics through education, certification, and. Optical Fiber Cable engineering construction refers to the process of designing, planning, executing, and maintaining communication system infrastructure by deploying optical cables and associated components. Strictly observe your company's lead handling procedures to eliminate this hazard. Failure to do so may result in serious, long-term health problems. CAUTION: Care must be taken to avoid cable damage during. Completing Outside Cable Plant Installation.
