It's certainly an unusual transformer, if that's what it is, I've
never seen one like it .
20 kV is used quite a bit in the North-East, especially for overhead
lines, it was
established by the old 'Newcastle Electricity Supply Co.' before
as is 66 kV for parts of the regional grid there, they had the
highest voltage in
use before the original 132 kV National Grid.
Leicester, where I live now, still has a lot of 6.6 kV, with huge two-
substations in the older parts of the city. Anybody know much about
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