[mythtv-users] US to postpone analog TV death

[Larry Finger]

David Brodbeck wrote:
> 
> When it comes to power utilities, another issue is that underground cables
> need to be larger for the same current rating than overhead wires.  This
> is because the overhead wires are cooled by air circulation while the
> underground wires aren't.

I would think that the nice cool dense ground would do a much better
job of cooling than air. I always thought it was the electrical
insulation that make them bigger.

Larry