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scott wrote:
>> But trees encroach on power lines all the time. I can look out my
>> window and see half a dozen...
>
> You have one of these outside your window? o_O
>
> http://www.idonohoe.com/biking/gallery/pylon.jpg
Ah, no, although I know of some within a few miles of here.
No, I mean the stuff that runs down your street and branches to every house.
> If you mean the low voltage cables on wooden poles that are much closer
> to the ground, then maybe those ones are insulated (we don't have many
> of those here, the cables mostly go underground once they come off the
> pylons)? They don't have to go long distances so the extra cost is
> probably justified by the high risk of stuff hitting them.
OK, so the local stuff is probably insulated due to risk, while the high
voltage stuff used for long-distance transmission is left uninsulated.
That makes sense.
...Chambers
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