Home Electricity Power lines underground airline underground airline Description Save Pole connection aerial section going down the structure to the underground Format DWG File size 2.41 MB DOWNLOAD DWG share your appreciation Related Posts Transmission tower 400 kv Medium voltage arrival portico High voltage transmission tower 220kv – 3d 10 kva substation Concrete poles – power lines one-line diagram Electric pole foundation rooftop substation Double suspension 220 kv. Electric line drawing. Primary net plow with aerial connections 30kv electrical substation Substation mesh detail Cooper nova 33 kv recloser detail Emergency plant and electrical substation Expansion of electrical network – el arenal 110 kv bar. electrical substation 3d substation Insulator analysis Pole mount electrical substation