Re: [TowerTalk] Shack wiring

[Alan Zack <k7acz@cox.net>]

Maybe check to see if your house has aluminum wiring with copper 
pigtails at the wall sockets and switches.  Was quite common in the 
1970's or so and the wire nuts on the pigtails need to be tightened 
from time to time.
GL

Alan NV8A (ex. AB2OS) wrote:

> What voltage does the meter show "upstream," e.g., at the main breaker 
> or at the breaker feeding this particular circuit? There could be a 
> high-resistance connection somewhere -- and it could be either in the 
> hot or in the neutral.
>
> Alan NV8A
>
>
> On 01/24/05 09:19 am Pete Smith tossed the following ingredients into 
> the ever-growing pot of cybersoup:
>
> > I'm hoping that history has added the subject of shack wiring, both RF 
> > and AC, to the range for Towertalk -- if others disagree, I apologize.
> >
> > My entire shack is on a single 110V circuit (separate 220 for the 
> > amplifier).  Recently I have begun to get low voltage warnings (104.5 
> > volts) from my UPS in the morning, and so have put a digital voltmeter 
> > on the circuit.  With no load except for the computers (2), the UPS 
> > and the table light, voltage right now is 108.7.  My two radios (on 
> > receive) cause the voltage to drop about .4 volts.  When the voltage 
> > is running low, I typically see 104.7 or 104.8 without the radios, so 
> > adding them to the load sets off the UPS.
> >
> > Two questions, I guess -- is the voltage drop with loading I describe 
> > above roughly what you'd expect?  If necessary I can dig out the 
> > standby power requirements for the two radios.  And second, what is 
> > the US spec for line voltage?  The power company is coming out to 
> > investigate and I'd like to know where I stand.
>
>
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with 
> any questions and ask for Sherman, W2FLA.
>
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--
__________________________________________________________________________ 

Alan Zack
Amateur Radio Station K7ACZ
Las Vegas, Nevada, USA
Quality Engineer, The Boeing Company, Retired
Aviation Chief Warrant Officer, U.S. Coast Guard, Retired
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_______________________________________________

See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.

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