IEC 60794-4:2018 covers cable construction, test methods, optical, mechanical, environmental and electrical performance requirements for aerial optical fibre cables and cable elements which are intended to be used along power lines (OCEPL) as a high bandwidth transport media for. IEC 60794-4:2018 covers cable construction, test methods, optical, mechanical, environmental and electrical performance requirements for aerial optical fibre cables and cable elements which are intended to be used along power lines (OCEPL) as a high bandwidth transport media for. Fiber optic cables offer a multitude of advantages over traditional copper cables. With faster data transfer rates, lower signal loss, and immunity to electromagnetic interference, fiber optic cables have become the preferred choice for high-speed internet, video streaming, and data-intensive. What are IEC value-added products? Optical fibre cables - Part 4: Sectional specification - Aerial optical cables along electrical power lines IEC 60794-4:2018 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and. The Fiber Optic Association, Inc. (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.