Hi-Line Engineering offers a comprehensive library of engineering tools, reference materials, and technical resources designed to support electric utility professionals. Users can access a wide range of calculators, voltage drop and flicker tools, specification books, and RUS construction documents that help streamline planning, design, and analysis tasks. In addition to downloadable engineering guides and charts, we offer ordering access to full size copies of the latest editions of the 12.47 kV, the 25 kV, and the underground construction specification books, in addition to our “mini spec books”. Follow the links below to download.
