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.