IEEE Std 1222-2011 pdf download – IEEE Standard for Testing and Performance for AlI- Diel ectric Self-Supporting (ADSS) Fiber Optic Cable for Use on Electric Utility Power Lines

02-24-2022 comment

IEEE Std 1222-2011 pdf download – IEEE Standard for Testing and Performance for AlI- Diel ectric Self-Supporting (ADSS) Fiber Optic Cable for Use on Electric Utility Power Lines.
4. ADSS cable and components 4.1 Descriptions The ADSS cable shall consist of coated glass optical fibers grouped in one or more protective dielectric units surrounded by or attached to suitable dielectric strength members and jackets. The cable shall not contain metallic components. The cable shall be designed to meet the requirements under all specified installation conditions, operating temperatures, and environmental loading. 4.2 Fiber optic cable core The fiber optic cable core shall be aldieleectric and shall contain coated glass optical fibers that are protected from mechanical, environmental, and electrical stresses. Materials used within the core shall be compatible with one another, shall not degrade under the electrical stresses to which they may be exposed, and shall not evolve hydrogen in quantities sufficient to degrade optical performance of fibers within the cable. 4.2.1 Fiber strain allowance The cable shall be designed such that fiber strain does not exceed the limit allowed by the cable manufacturer under the operational design limits (MRCL) of the cable. Maximum allowable fiber strain is generally a function of the proof test level, and the strength and fatigue parameters of the coated glass fiber. The maximum fiber strain shall not exceed the limit specified in 6.5.1.2. The optical fiber attenuation increase while under fiber strain shall also meet the requirements listed in 6.5.1.2. 4.2.2 Central strength element If a central strength element is necessary, it shall be of reinforced plastic, epoxy glass, or other dielectric material. If required, this element shall provide the necessary tensile strength to limit axial stress on the fibers and minimize fiber buckling due to cable contraction at low temperatures. The strength element shall also meet the stress strain fati gue requirements in 6.5.1.3.

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