[time-nuts] Line Voltage - USA
Poul-Henning Kamp
phk at phk.freebsd.dk
Mon Jan 2 13:14:33 EST 2017
--------
In message <CAJ_qRvb6-79y99aFgAUowZjJcEUK4LWeAEHwDgRqNOsGQVzneQ at mail.gmail.com>
, Tim Shoppa writes:
>What modern loads are actually sensitive to high (say, +10 to +20%) line
>voltage?
In EU you're supposed to have 230V +/- 6% in your outlet.
The way this was arrived at was:
A lot of europe used 220V +/- 10% = [198..242] V
Brittain used 240V +/- 10% = [216..264] V
Take the average of the two, and use the low max and high min as limits
QED: 230V +/- 6% = [216..244]
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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