Reel lengths must be defined at time of purchase to assist client with reducing waste, and to reduce splicing required during installation. Please contact AWG for full detailed technical specifications, including PLS CADD data or Stress Creep data. OPGW, or Optical Ground Wire, is a self-supporting cable used for the installation of optical fibers on overhead power transmission lines. The configuration of 48 fibers OPGW allows for. ITU-TG. 652, 655, EIA/TIA 598B, IEC 60794-4-10, 60794-1-2, IEEE 1138, IEC 61232, 60104, 61089. Type: Central Stainless Steel Tube Type, Stranded Stainless Steel Tube Type Drawings: Optical Ground Wire (OPGW) An optical ground wire also known as an OPGW or, in the IEEE standard. An OPGW cable. Used by electric utilities on transmission lines with the voltage of 35 kV and higher for creating optical communication lines and protecting the power lines from lightning strikes. Applied for aerial installation on distribution and power transmission lines for building long distance optical. Fiber Optic Aerial Cable: Type - OPGW Optical Ground Wire; Size - AC-34/52/646; Fibers - 48 Fiber; RBS - lb - 18053 lb RBS; RBS - kg - 8189 kg RBS; Fault Current - 172 (kA)sq-sec; Overall Diameter - in - 0. 646 in OD; Overall Diameter - mm - 16.