Also Aluminum wire will "creep" from under a screw head over a long period
of time!
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> From: ken cubilo <kcubilo@freeway.net>
> To: ab5tv@ix.netcom.com
> Cc: ke5fi@WT.NET; tdxs-list@N5UH.Tech.UH.EDU; towertalk@contesting.com
> Subject: Re: [TowerTalk] Re: New Tower Grounding Spec - what about
Aluminumwire?
To: <towertalk@contesting.com>
> Date: Friday, April 25, 1997 5:55 AM
>
> Madison R. Jones wrote:
> >
> > Chuck Dietz wrote:
> > >
> > > I have some really big aluminum wire...Can I use it for a ground
wire?
> > >
> > > Ok with copper rods? with galvanized rods?
> > >
> > > Chuck, KE5FI
> > >
> > > --
> > > FAQ on WWW: http://www.contesting.com/towertalkfaq.html
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> > > Problems: owner-towertalk@contesting.com
> >
> > * * * * * * * *
> >
> > In case you were not aware, the so-called high tension lines which are
> > used to transport electical energy far and wide across the USofA are
all
> > made of aluminum. The problem with aluminum wiring in household
> > circuits (and why the electrical code prohibits it) is that the
> > corrosion which forms when the aluminum wire hits the
> > copper/brass/bronze contained in the fixture, circuit breaker or
> > whatever prohibits the connection from being as good as it was designed
> > to be: Heat builds up, the c/b does not pop, a fire begins, and pretty
> > soon Chicago/Los Angeles/New York/Walla Walla is a smoldering ruin.
But
> > what the hey? Check your connection every so often - it ought to work.
> >
> > Regards,
> >
> > Madison
> > w5mj
> >
> > --
> > FAQ on WWW: http://www.contesting.com/towertalkfaq.html
> > Submissions: towertalk@contesting.com
> > Administrative requests: towertalk-REQUEST@contesting.com
> > Problems: owner-towertalk@contesting.com
> hi chuck on alum wire for grounding in one word a big no. as mentioned
> in the national electrical code and translated here: aluminum wire is
> not to be in direct contact with soil so that pretty much gets rid of
> its useage as a ground ring. it can be attached to a ground rod provided
> a fitting is used that is listed for alum wire but here again who wants
> to have a shin breaker growing out of the ground to keep the wire from
> being in contact with the ground.best advice get rid of it and use
> copper wire which doesnt cost much more per foot... here in northern
> michigan the connection to a grounding electrode(rod) never has to be
> larger than #6 copper as in a strike or overload thats about all the
> electrode can handle anything larger is overkill.
> 73 ken we8w
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