Re: [TowerTalk] Shack wiring

["Alan NV8A (ex. AB2OS)" <nv8a@att.net>]

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.

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