How close can power line be to shed roof?

[jamj]

Distance will depend on voltage cables are carrying.

 

[tomlad]

Hv line used to go over one of my lakes, they often quoted megga distances that power will ark in a wet day , easy 3 m . Due to sheer luck they whole length was due to b renewed, I'm last on the run " why don't we put it underground " ok then thats a plan.