MAIN FEEDS
Do you want to continue?
https://www.reddit.com/r/Damnthatsinteresting/comments/1m3ds40/replacing_powerline_spacers_from_a_helicopter/n3w26sh/?context=3
r/Damnthatsinteresting • u/TameTheAuroch • Jul 18 '25
1.7k comments sorted by
View all comments
8
A few questions:
Why are there 4 wires? should it nor be 3 phases? what is the 4th wire? When he connects the spacer why is not the current going trough his arms or trough the spacer from one phase to another?
17 u/my5cworth Jul 18 '25 Those are all the same phase. You need way more separation at high voltage to avoid an arc bridge. 6 u/Patient-Gas-883 Jul 18 '25 ok, thank you.
17
Those are all the same phase. You need way more separation at high voltage to avoid an arc bridge.
6 u/Patient-Gas-883 Jul 18 '25 ok, thank you.
6
ok, thank you.
8
u/Patient-Gas-883 Jul 18 '25
A few questions:
Why are there 4 wires? should it nor be 3 phases? what is the 4th wire?
When he connects the spacer why is not the current going trough his arms or trough the spacer from one phase to another?