Cited as a reference
Helicopter Maintenance on energized 765,000 Volt Line
Why people recommend it
Footage of helicopter crews working on a live 765kV transmission line, cited to illustrate potential equalisation and why isolation from ground keeps workers safe.
Watch for: see the arc as the helicopter bonds to the line
In their words
Helicopter Maintenance on energized 765,000 Volt Line
Dale Mahalko on electronics.stackexchange.com, May 2016. CC BY-SA.
See [video] and note the arc being drawn at about 00:45, as the helicopter voltage is brought up to the line voltage.
WhatRoughBeast on electronics.stackexchange.com, Mar 2017. CC BY-SA.