scott wrote:
>> I always assumed the cables themselves were insulated.
>>
>> Seriously, are we running uninsulated wires above our roadways?!?!? :o
> 
> Yes, just look for "hit power line" on YouTube and you'll see plenty of 
> random stuff (mostly trees) touching power lines and sparking or 
> creating fires.
> 
> 

But trees encroach on power lines all the time.  I can look out my 
window and see half a dozen...

...Chambers

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