telegraph pole 
noun
A tall pole used to carry telegraph or telephone wires above the ground.The long planks of timber fell off the truck to the left, knocking down a telegraph pole and felling telephone lines in the area....
- He hung from the guttering, cutting at the telephone wire that hung between the house and the nearest telegraph pole.
- After the stream climb up the grassy bank ahead then on (passing just to the right of the telegraph pole with two sets of wires) to reach a wall-stile over the wall across your path.