On Wednesday, July 15, 2020 at 2:35:12 PM UTC-4, bud-- wrote:

An 8kV wire broke midspan. The source end fell against a box for cable
I
think these wires are "covered", not "insulated".

Easy to insulate against 220V, maybe a little trickier when it's 8,000. They're putting in a new 115,000 V line near me, the project manager told me they work at line potential, as there's no insulation that can cope.