[RFI] A `Time Bomb' Sits Atop Utility Poles

David Robbins k1ttt at arrl.net
Wed Sep 14 14:21:15 EDT 2005

Yes, they can be both a noise problem and a safety problem.  Though I can
not say for sure that noise would be an indicator of imminent failure, some
noisy insulators can go on for years and years without failing.

David Robbins K1TTT
e-mail: mailto:k1ttt at arrl.net
web: http://www.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net

> -----Original Message-----
> From: rfi-bounces at contesting.com [mailto:rfi-bounces at contesting.com] On
> Behalf Of Jimk8mr at aol.com
> Sent: Wednesday, September 14, 2005 18:11
> To: rfi at contesting.com
> Subject: Re: [RFI] A `Time Bomb' Sits Atop Utility Poles
> So are these things a noise generating problem as they are sit there
> getting
> ready to kill an unsuspecting lineman?
> If so, would the presence of RF noise be an indication that they might
> soon
> fail, i.e. would noise give the utiltities a better reason to get out
> quickly
> to fix it?
> This sounds a bit like a problem I've had this summer.  Two  different
> poles
> within a mile of my house had side mounted insulators that  broke,
> dropping
> the higher line onto the lower line, thus with only the wire  insulation
> separating the 13 KV or so.  They made a lot of RF noise, but at  least
> they weren't
> very difficult to locate.
> I took photos and emailed them to the local power company line noise  guy.
> After a month or so they got fixed, but in my case I'm dealing with  the
> same
> company that left a boric acid leak in one of its nuclear reactors  go
> unrepaired for 5 years or so, eating away the reactor head until only a
> stainless
> steel liner kept things contained.
> 73  -  Jim  K8MR
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