[time-nuts] Line Voltage - USA
Van Horn, David
david.vanhorn at backcountryaccess.com
Wed Jan 4 10:51:57 EST 2017
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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