Transmission Line Protection
Transmission lines can vary in length from several hundred feet to several hundred miles and in voltage (line-to-line) from 46KV to 750KV
Construction can be simple such as a single wood pole with insulators atop crossarm with little spacing between the conductors and from the conductors to ground. At the other end of the scale are metal lattice structures with bundled conductors (2 or more conductors perphase) with large spacing between conductors and between conductors and ground