[time-nuts] Line Voltage - USA

Poul-Henning Kamp phk at phk.freebsd.dk
Wed Jan 4 04:34:23 EST 2017

In message <CANX10hCYMEq=fnT7o01bEpKSjgvbTUHhAb77x2GJYR86CuVHow at mail.gmail.com>, "Dr. David Kirkby 
(Kirkby Microwave Ltd)" writes:
>On 2 January 2017 at 18:14, Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:

>> Take the average of the two, and use the low max and high min as limits
>> QED:  230V +/- 6% = [216..244]
>Do you have a reference to this +6%? I've heard from various sources that
>the UK is 230 -6%/+10%.  If the EU dictates otherwise, then I'm certainly
>over the 6% limit. I may or may not be over the 10% limit.

There was a transitional range, but I belive it has expired.

In 240V countries it was -6%/+10%.

In 220V countries it was -10%/+6%

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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