Most very long length power lines don’t use insulation within the conductors on their own. Insulating in this manner would need to be so thick that it wouldn’t be affordable. As a substitute, a lot of the insulation comes from air gaps, or just spacing everything considerably enough aside. Transmission https://juliusdidxy.pointblog.net/not-known-details-about-eyeglass-frames-for-women-71574492