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Re: Arc detection

Subject: Re: Arc detection
From: Jasen Betts
Date: Mon, 05 Dec 2005 09:50:47 -0000
Newsgroups: sci.electronics.basics
On 2005-12-05, Ryan <[email protected]> wrote:
> Redirect appreciated if needed.  
> How does an arc fault circuit interruptor work?  What does it do in
> order to detect an arc?

I'm going to guess...  high frequencies dominating the current

> So far, nobody, not even the dealer of our electric supplies has been
> able to explain how an arc fault circuit interruptor works.  I've not
> found the answer on the internet either.  The explanations say "unique
> circuitry," or "arc detection technology" and other vague words that do
> not explain _how_ it works, only what it does.

You may need to search for patents to get the real info.


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