Aluminum-clad steel or aluminum alloy wires are stranded around the central core. This design offers lightning protection, mechanical strength, and current carrying capacity during faults. A smooth, uniform outer surface helps reduce wind resistance and ice loading. HexaCore OPGW was developed in. ZTT OPGW is mainly divided into: central-type stainless steel tube OPGW, stranded-type stainless steel tube OPGW, al-covered stainless steel tube OPGW, aluminum tube OPGW, lightning resistant central stainless steel tube OPGW with compressed wires and OPPC. Stainless steel tube OPGW: stainless. The OPGW Cable (optical power ground wire), also known as the optical ground wire, is a type of cable or wire that is used in transmission line construction and contains the optical fiber unit for communication. It has two functions, one is as a lightning protection line for transmission lines. The Central Tube Optical Ground Wire (OPGW) is surrounded by single or double layers of aluminum clad steel wires (ACS) or mix ACS wires and aluminum alloy wires, 24 Core OPGW Cable design is fully adapted to the most common electric line needs. The specific structure is as follows: Stainless. Alumoweld/Aluminum-clad steel wire, commonly abbreviated as AW or AS or AC Application: OPGW/OPPC; Aluminium Conductors Aluminium Clad Steel Reinforced; Aluminium Alloy Conductors Aluminium Clad Steel Reinforced; AT1 Conductors Aluminium Clad Steel Reinforced; AT2 Conductors Aluminium Clad Steel.