All,
In reality is is easy to find faults in underground feeder wire.
A tone trace device is installed on the feeder and a triangulation "A
Frame" is then used to find the fault. It is accurate within inches.
Have photos of device (3M Dynatel 2250) and failed aluminum wire if
interested. Extreaml
Bob,
I assume you are talking about feeders.
Although most people are against aluminum
wire it is really quite safe for feeders if installed properly.
To do this the lugs should all be retorqued after one year.
Aluminum "flows" under pressure, that is the steady pressure
at the lug slowly squeezes
We don't often get to take picture, as the point of failure is hard to find,
and the entire underground line is just abandoned and a new cable is installed.
Most failures I've seen (not actually seen) were on improperly installed runs,
done by DIYers.
On the other hand, the majority of undergroun
Does anyone have any photos of aluminum wire that has failed? Failures from
nicked insulation and such would help.
I have a debate going with a customer who does not believe that it could
cause a failure.
If you have any digital pics please send them to my address,
reelli...@gmail.com instead
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