I had very poor luck using stranded copperweld wire at my home in Aruba. It was used for temporary contest low band antennas and it was stored inside 90% of the time. The steel wire became very britt
THHN WILL stretch over time if there's enough tension on it. One of my 80/40 fans is built with #10 stranded THHN, has a 100# weight on one end, and about 150 ft of RG11 on it. Every few years I need
i helped erect a dipole at the local Field Day once.. I couldn't help but notice some bumps along the way-- some of the strands had "blobbed over"-- melted due to, presumably, lightning strike(s). Mu