Power optical cable is a cable made of several wires stranded together. In this article, I'll explain the differences, typical use cases, and best practices for using and installing power and communication lines together. Incorrectly routing communication cables near high-voltage power lines can: In: Building risers and raceways. you'll often see both types run in. Fiber-optic communication is a form of optical communication for transmitting information from one place to another by sending pulses of infrared or visible light through an optical fiber. Fiber is preferred. Another type of aerial fiber optic cable combines electrical distribution cables with optical fibers inside the conductors. In addition, there are components such as water blocking materials.