A tower near Lakeview, Oregon for the Pacific DC intertie, a +/- 500KV direct current line between The Dalles, OR, and Los Angeles. I was curious about the post insulators below the wires on this particular tower. The wires are close to the ground relative to the other towers, and I wondered if those were just some sort of safety device so that the current wouldn't arc over to vehicles or cattle on the ground. The posts are not connected to the power line in any way. Wiki entry for the line: http://en.wikipedia.org/wiki/Pacific_DC_Intertie