Line Extensions and Conversions Design and stake all assigned multi- and single-phase line extensions and conversions, including road moves, substation feeders, large commercial projects, duct lines, and large work plan jobs. Design and stake distribution systems to conform to corporate and NESC specifications. Determine the size of transformers, conductors, and other equipment needed to adequately serve customer loads. Maintain accurate knowledge of underground and overhead specifications. Including a thorough knowledge of equipment and materials used on Cobb EMC’s distribution system. Perform Quality Control (QC) review of peer’s projects as needed to ensure accuracy