Permissible span for overhead optical cables

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The distance between poles of overhead lines is 25-40 meters in the urban area, 40-50 meters in the suburbs, and no more than 67 meters in other sections. (FOA) was founded in 1995 to help develop the workforce to build the fiber optic networks to support a rapid expansion in communications and the Internet. The Dielectric Standard Single Tube Drop (SST-Drop) cable is an optical cable containing a single, 3 mm buffer tube with 1 to 12 fibers. Clearance requirements for aerial cables are defined in Section 23 of the National Electrical Safety Code® (NESC®).

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