Single span, no technical support, online library access, ideal for educational use or simple, quick calculations. PLS-CADD/Lite (Paid/Included):
Once installed, explore the built-in tutorials (Help > Tutorials). Within an hour, you will be stringing wires and calculating sags like a professional engineer. PLS CADD Lite remains the most powerful free tool for transmission line design on the market today. Pls Cadd Lite Free Download