[time-nuts] Line Voltage - USA

Van Horn, David david.vanhorn at backcountryaccess.com
Wed Jan 4 15:51:57 UTC 2017


HAHAHAHAHAHA.....   No,

-----Original Message-----
From: time-nuts [mailto:time-nuts-bounces at febo.com] On Behalf Of Jeremy Nichols
Sent: Tuesday, January 3, 2017 11:48 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Line Voltage - USA

Did the utility replace the damaged equipment?


On Tue, Jan 3, 2017 at 9:33 PM Van Horn, David < david.vanhorn at backcountryaccess.com> wrote:

> I once had some odd equipment failures which we found out were caused 
> by the line voltage being at 142V.
>
> This was in the mid 80's in Costa Mesa CA.  The tech they sent out 
> told me they had us on the wrong transformer tap.
>
>
>
> Lowest I've seen was 70V in Hawaii, with everyone coming home about 
> 5PM and switching on air conditioners.  We had to run our TV on a 
> variac and adjust the voltage to keep the picture from shrinking.
>
>
>
> Since those days, that's the numbers I design equipment to, if it is 
> to run from 115V supplies.  That rule has never let me down.
>
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