1880's
https://en.wikipedia.org/wiki/Histor...r_transmission
"The first electric power transmission line in North America operated at 4000 V. It went online on June 3, 1889"
1880's
https://en.wikipedia.org/wiki/Histor...r_transmission
"The first electric power transmission line in North America operated at 4000 V. It went online on June 3, 1889"