novaBBS - sci.electronics.design - Re: Why do circuit breakers go up for on and down for off?

Re: Why do circuit breakers go up for on and down for off?

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Subject: Re: Why do circuit breakers go up for on and down for off?
From: whit...@gmail.com (whit3rd)
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by: whit3rd - Fri, 17 Feb 2023 04:51 UTC

On Wednesday, February 15, 2023 at 8:30:01 AM UTC-8, Cindy Hamilton wrote:
> On 2023-02-15, NY <m...@privacy.net> wrote:
> > On 15/02/2023 11:40, Max Demian wrote:

> > It had never actually occurred to me until now that "clockwise" is the
> > same way that the sun appears to move in the sky, so the hour hand will
> > follow the sun (except at double speed). I must have been singularly
> > incurious to accept what "clockwise" meant without relating it to the
> > direction of movement of the sun.

> Think about sundials for just a moment.

and consider Australian sundials

<https://images.app.goo.gl/RyaJS4F8xuZXzPJa7>

and a design for sundials for any hemisphere

<https://images.app.goo.gl/5SQkj4mM5A5vyBAd7>

Re: Why do circuit breakers go up for on and down for off?

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https://www.novabbs.com/tech/article-flat.php?id=116354&group=sci.electronics.design#116354

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From: robin_li...@es.invalid (Carlos E. R.)
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Subject: Re: Why do circuit breakers go up for on and down for off?
Date: Fri, 17 Feb 2023 19:55:27 +0100
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by: Carlos E. R. - Fri, 17 Feb 2023 18:55 UTC

On 2023-02-17 05:51, whit3rd wrote:
> On Wednesday, February 15, 2023 at 8:30:01 AM UTC-8, Cindy Hamilton wrote:
>> On 2023-02-15, NY <m...@privacy.net> wrote:
>>> On 15/02/2023 11:40, Max Demian wrote:
>
>>> It had never actually occurred to me until now that "clockwise" is the
>>> same way that the sun appears to move in the sky, so the hour hand will
>>> follow the sun (except at double speed). I must have been singularly
>>> incurious to accept what "clockwise" meant without relating it to the
>>> direction of movement of the sun.
>
>> Think about sundials for just a moment.
>
> and consider Australian sundials
>
> <https://images.app.goo.gl/RyaJS4F8xuZXzPJa7>

My head just exploded.

--
Cheers,
Carlos E.R.

I haven't lost my mind -- it's backed up on tape somewhere.

tech / sci.electronics.design / Re: Why do circuit breakers go up for on and down for off?

Subject	Author
Re: Why do circuit breakers go up for on and down for off?	whit3rd
Re: Why do circuit breakers go up for on and down for off?	Carlos E. R.