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Old August 18th 04, 03:24 PM
rg
 
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But then again, Ron lives in Ohio. The people that brought us the
August 2003 blackout. Which was started by a tree falling on some
power lines....

rg
"Mark" wrote in message
news:1092729624.681797@ftpsrv1...
Maybe he meant a (small) 48 kvA transformer?

Mark.

"Rupert P Buttsnort" wrote in message
m...

"Ron Hardin" wrote in message
...
The neighbor's power pole fuse blowing out, which I gather it

does
when the black locust tree under it grows enough and breezes

into
the 48kv transformer


Hate to spoil the impact of it all, but they dont run 48,000 volt

lines in
residential areas. In fact most lines are 38,500 Volts to each

other and
19,200 Volts to ground on the real hot services you see along the

highway
or
electrical "right of ways" (big power towers)
In your neighborhood it's usually 4800-6000 Volts on the primary.

If your
WAY out there, possibly 16KV for rural customers.
Street lighting primaries are 5,000Volts/6Amp regulated loops.
It's still enough to make your tree go BANG...just not as hot as

you think
they are.







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Old August 18th 04, 07:43 PM
Ron Hardin
 
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rg wrote:

But then again, Ron lives in Ohio. The people that brought us the
August 2003 blackout. Which was started by a tree falling on some
power lines....


AEP (ex CSOEC) runs 48kv for rural distribution. A few years
ago they came out, replaced all the transformers and insulators,
doubling the voltage, rather than replacing the wires. Anyway
that's what the guys said who work on lines; as well as a couple
placards warning of 38kv(?) lines crossing 48kv lines, where my system
intersects another. Placard now gone.
--
Ron Hardin


On the internet, nobody knows you're a jerk.
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