Groups > sci.electronics.design > #489562

Re: AC switch fault current philosophy

From	Don Kuenz <g@crcomp.net>
Newsgroups	sci.electronics.design
Subject	Re: AC switch fault current philosophy
Date	2017-12-29 14:19 +0000
Organization	A noiseless patient Spider
Message-ID	<20171229b@crcomp.net> (permalink)
References	<p22o2k$svd$1@dont-email.me> <20171228b@crcomp.net> <59661b66-48e1-4fa6-af76-add643d74694@googlegroups.com>

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pcdhobbs@gmail.com wrote:
>>You might limit the current and trip the mains breaker to cope with the
>>short. That way you simultaneously protect the shorted device and send
>>users a dramatic message that something's wrong.
>
> You mean the breaker at the _panel_? How do you know if it's magnetic or thermal?
>
> And then somebody plugs it into daisy-chained extension cords and your
> 'safety device' burns down the building. Brilliant all round. :(

You "missed the boat" with my 'safety device.' piglet's semiconductor
switch only makes sense to me when its part of the electrical wiring
and not plugged into either an outlet or a daisy chain of extension
cords. (BTW, isn't a daisy chain of extension cords against the regs?)

Thank you,

--
Don Kuenz, KB7RPU

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Thread

AC switch fault current philosophy Piglet <erichpwagner@hotmail.com> - 2017-12-28 12:29 +0000
  Re: AC switch fault current philosophy Phil Allison <pallison49@gmail.com> - 2017-12-28 04:47 -0800
    Re: AC switch fault current philosophy Piglet <erichpwagner@hotmail.com> - 2017-12-28 16:53 +0000
    Re: AC switch fault current philosophy George Herold <gherold@teachspin.com> - 2017-12-28 13:16 -0800
      Re: AC switch fault current philosophy Phil Allison <pallison49@gmail.com> - 2017-12-28 16:51 -0800
  Re: AC switch fault current philosophy "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-12-28 09:03 -0600
    Re: AC switch fault current philosophy Piglet <erichpwagner@hotmail.com> - 2017-12-28 17:00 +0000
      Re: AC switch fault current philosophy Piotr Wyderski <peter.pan@neverland.mil> - 2017-12-28 20:21 +0100
      Re: AC switch fault current philosophy Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-12-28 11:57 -0800
        Re: AC switch fault current philosophy Piglet <erichpwagner@hotmail.com> - 2017-12-29 12:45 +0000
          Re: AC switch fault current philosophy Winfield Hill <hill@rowland.harvard.edu> - 2017-12-29 05:13 -0800
          Re: AC switch fault current philosophy Piotr Wyderski <peter.pan@neverland.mil> - 2017-12-31 10:57 +0100
  Re: AC switch fault current philosophy Don Kuenz <g@crcomp.net> - 2017-12-28 18:45 +0000
    Re: AC switch fault current philosophy "Tim Williams" <tiwill@seventransistorlabs.com> - 2017-12-28 14:16 -0600
    Re: AC switch fault current philosophy pcdhobbs@gmail.com - 2017-12-28 12:27 -0800
      Re: AC switch fault current philosophy tabbypurr@gmail.com - 2017-12-28 13:16 -0800
        Re: AC switch fault current philosophy pcdhobbs@gmail.com - 2017-12-28 14:42 -0800
          Re: AC switch fault current philosophy tabbypurr@gmail.com - 2017-12-28 15:25 -0800
            Re: AC switch fault current philosophy pcdhobbs@gmail.com - 2017-12-28 19:04 -0800
              Re: AC switch fault current philosophy tabbypurr@gmail.com - 2017-12-29 06:20 -0800
              Re: AC switch fault current philosophy George Herold <gherold@teachspin.com> - 2017-12-29 15:48 -0800
                Re: AC switch fault current philosophy krw@notreal.com - 2017-12-29 18:59 -0500
                Re: AC switch fault current philosophy Phil Allison <pallison49@gmail.com> - 2017-12-29 17:03 -0800
                Re: AC switch fault current philosophy Lasse Langwadt Christensen <langwadt@fonz.dk> - 2017-12-30 07:49 -0800
                Re: AC switch fault current philosophy tabbypurr@gmail.com - 2017-12-29 19:47 -0800
                Re: AC switch fault current philosophy upsidedown@downunder.com - 2017-12-30 11:42 +0200
                Re: AC switch fault current philosophy Phil Allison <pallison49@gmail.com> - 2017-12-30 02:01 -0800
                Re: AC switch fault current philosophy upsidedown@downunder.com - 2017-12-30 22:12 +0200
                Re: AC switch fault current philosophy tabbypurr@gmail.com - 2017-12-30 15:20 -0800
                Re: AC switch fault current philosophy upsidedown@downunder.com - 2017-12-31 14:12 +0200
                Re: AC switch fault current philosophy Phil Allison <pallison49@gmail.com> - 2017-12-30 16:33 -0800
                Re: AC switch fault current philosophy Phil Allison <pallison49@gmail.com> - 2017-12-31 18:30 -0800
                Re: AC switch fault current philosophy ehsjr <ehsjr@verizon.net> - 2017-12-30 19:00 -0500
                Re: AC switch fault current philosophy Phil Allison <pallison49@gmail.com> - 2017-12-30 21:13 -0800
                Re: AC switch fault current philosophy upsidedown@downunder.com - 2017-12-31 14:36 +0200
                Re: AC switch fault current philosophy Phil Allison <pallison49@gmail.com> - 2017-12-31 04:47 -0800
                Re: AC switch fault current philosophy tabbypurr@gmail.com - 2017-12-31 06:00 -0800
                Re: AC switch fault current philosophy tabbypurr@gmail.com - 2017-12-31 17:39 -0800
                Re: AC switch fault current philosophy Jasen Betts <jasen@xnet.co.nz> - 2018-01-01 04:19 +0000
                Re: AC switch fault current philosophy tabbypurr@gmail.com - 2017-12-31 21:38 -0800
                Re: AC switch fault current philosophy tabbypurr@gmail.com - 2017-12-31 05:54 -0800
                Re: AC switch fault current philosophy ehsjr <ehsjr@verizon.net> - 2018-01-01 22:25 -0500
                Re: AC switch fault current philosophy George Herold <gherold@teachspin.com> - 2018-01-02 06:27 -0800
                Re: AC switch fault current philosophy Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2018-01-02 10:10 -0500
              Re: AC switch fault current philosophy Piotr Wyderski <peter.pan@neverland.mil> - 2017-12-31 11:29 +0100
            Re: AC switch fault current philosophy ehsjr <ehsjr@verizon.net> - 2017-12-30 19:44 -0500
              Re: AC switch fault current philosophy Phil Allison <pallison49@gmail.com> - 2017-12-30 16:52 -0800
                Re: AC switch fault current philosophy ehsjr <ehsjr@verizon.net> - 2017-12-30 23:14 -0500
                Re: AC switch fault current philosophy Phil Allison <pallison49@gmail.com> - 2017-12-30 20:33 -0800
                Re: AC switch fault current philosophy ehsjr <ehsjr@verizon.net> - 2018-01-01 18:11 -0500
                Re: AC switch fault current philosophy Phil Allison <pallison49@gmail.com> - 2018-01-01 17:26 -0800
                Re: AC switch fault current philosophy tabbypurr@gmail.com - 2018-01-01 18:51 -0800
              Re: AC switch fault current philosophy tabbypurr@gmail.com - 2017-12-31 05:51 -0800
      Re: AC switch fault current philosophy Don Kuenz <g@crcomp.net> - 2017-12-29 14:19 +0000
      Re: AC switch fault current philosophy glen walpert <nospam@null.void> - 2017-12-29 16:03 +0000
      Re: AC switch fault current philosophy "Paul Hovnanian P.E." <paul@hovnanian.com> - 2017-12-29 20:01 -0800
        Re: AC switch fault current philosophy Michael A Terrell <mike.terrell@earthlink.net> - 2017-12-29 23:49 -0500
  Re: AC switch fault current philosophy Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2017-12-28 12:48 -0700
  Re: AC switch fault current philosophy George Herold <gherold@teachspin.com> - 2017-12-28 13:28 -0800

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