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Re: Single or double pole mains switch in USA?

From Jasen Betts <jasen@xnet.co.nz>
Newsgroups sci.electronics.design
Subject Re: Single or double pole mains switch in USA?
Date 2016-11-13 05:11 +0000
Organization "JJ's own news server"
Message-ID <o08sl9$ies$1@gonzo.alcatraz> (permalink)
References (6 earlier) <MPG.3291156f63155ddd989f85@news.eternal-september.org> <o07naa$33e$2@dont-email.me> <MPG.329151c86d9cea08989f89@news.eternal-september.org> <9kgf2cle7giufjtq2hac5fuaerp2f7hndk@4ax.com> <o08gvn$33e$7@dont-email.me>

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On 2016-11-13, John S <Sophi.2@invalid.org> wrote:
> On 11/12/2016 7:32 PM, pedro wrote:
>> On Sat, 12 Nov 2016 16:20:58 -0500, M Philbrook
>> <jamie_ka1lpa@charter.net> wrote:
>>
>>
>>> Yes, they have both a water generation plant and scott connection
>>> transformers from commercial 3 phase to fill in when they need it.
>>
>> Finally someone has mentioned Scott transformation.  Beat me to it!
>>
>
> But, according to Philbrick, two phase voltages are only 90 degrees 
> apart. Three phases are 120 degrees apart. Please reconcile that 
> discrepancy.

Huh? That's what the scott transformer does.

https://en.wikipedia.org/wiki/Scott-T_transformer

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Thread

Single or double pole mains switch in USA? Syd Rumpo <usenet@nononono.co.uk> - 2016-11-08 09:41 +0000
  Re: Single or double pole mains switch in USA? jrwalliker@gmail.com - 2016-11-08 06:10 -0800
    Re: Single or double pole mains switch in USA? John Larkin <jjlarkin@highlandtechnology.com> - 2016-11-08 06:29 -0800
      Re: Single or double pole mains switch in USA? Martin Riddle <martin_ridd@verizon.net> - 2016-11-08 11:55 -0500
        Re: Single or double pole mains switch in USA? Martin Riddle <martin_ridd@verizon.net> - 2016-11-08 11:56 -0500
  Re: Single or double pole mains switch in USA? Martin Riddle <martin_ridd@verizon.net> - 2016-11-08 11:58 -0500
    Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-08 11:05 -0600
      Re: Single or double pole mains switch in USA? krw <krw@nowhere.com> - 2016-11-08 12:48 -0500
      Re: Single or double pole mains switch in USA? jurb6006@gmail.com - 2016-11-08 10:46 -0800
      Re: Single or double pole mains switch in USA? M Philbrook <jamie_ka1lpa@charter.net> - 2016-11-08 17:22 -0500
        Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-11 20:22 -0600
        Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-11 20:26 -0600
          Re: Single or double pole mains switch in USA? DJ Delorie <dj@delorie.com> - 2016-11-11 22:07 -0500
            Re: Single or double pole mains switch in USA? M Philbrook <jamie_ka1lpa@charter.net> - 2016-11-12 12:03 -0500
              Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-12 12:34 -0600
                Re: Single or double pole mains switch in USA? M Philbrook <jamie_ka1lpa@charter.net> - 2016-11-12 16:20 -0500
                Re: Single or double pole mains switch in USA? pedro <me@privacy.net> - 2016-11-13 09:32 +0800
                Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-12 19:52 -0600
                Re: Single or double pole mains switch in USA? Jasen Betts <jasen@xnet.co.nz> - 2016-11-13 05:11 +0000
                Re: Single or double pole mains switch in USA? M Philbrook <jamie_ka1lpa@charter.net> - 2016-11-13 13:07 -0500
                Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-13 16:44 -0600
                Re: Single or double pole mains switch in USA? krw <krw@somewhere.com> - 2016-11-13 18:13 -0500
                Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-12 19:48 -0600
                Re: Single or double pole mains switch in USA? krw <krw@somewhere.com> - 2016-11-12 20:56 -0500
                Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-12 20:10 -0600
                Re: Single or double pole mains switch in USA? Jasen Betts <jasen@xnet.co.nz> - 2016-11-13 04:57 +0000
                Re: Single or double pole mains switch in USA? upsidedown@downunder.com - 2016-11-13 11:07 +0200
                Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-13 09:57 -0600
                Re: Single or double pole mains switch in USA? krw <krw@somewhere.com> - 2016-11-13 18:14 -0500
                Re: Single or double pole mains switch in USA? upsidedown@downunder.com - 2016-11-14 21:19 +0200
                Re: Single or double pole mains switch in USA? krw <krw@somewhere.com> - 2016-11-14 19:54 -0500
                Re: Single or double pole mains switch in USA? upsidedown@downunder.com - 2016-11-15 09:55 +0200
                Re: Single or double pole mains switch in USA? Glen Walpert <nospam@null.void> - 2016-11-15 17:55 +0000
                Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-14 17:39 -0600
                Re: Single or double pole mains switch in USA? krw <krw@somewhere.com> - 2016-11-14 19:55 -0500
                Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-14 17:46 -0600
                Re: Single or double pole mains switch in USA? krw <krw@somewhere.com> - 2016-11-14 19:56 -0500
                Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-15 17:00 -0600
                Re: Single or double pole mains switch in USA? krw <krw@somewhere.com> - 2016-11-15 19:20 -0500
              Re: Single or double pole mains switch in USA? upsidedown@downunder.com - 2016-11-12 20:53 +0200
              Re: Single or double pole mains switch in USA? jurb6006@gmail.com - 2016-11-13 10:50 -0800
                Re: Single or double pole mains switch in USA? jurb6006@gmail.com - 2016-11-13 10:58 -0800
            Re: Single or double pole mains switch in USA? John S <Sophi.2@invalid.org> - 2016-11-12 12:31 -0600
  Re: Single or double pole mains switch in USA? krw <krw@nowhere.com> - 2016-11-08 12:46 -0500
    Re: Single or double pole mains switch in USA? jurb6006@gmail.com - 2016-11-08 10:40 -0800
      Re: Single or double pole mains switch in USA? krw <krw@somewhere.com> - 2016-11-08 19:13 -0500
  Re: Single or double pole mains switch in USA? whit3rd <whit3rd@gmail.com> - 2016-11-08 10:50 -0800
  Re: Single or double pole mains switch in USA? Syd Rumpo <usenet@nononono.co.uk> - 2016-11-09 14:06 +0000
  Re: Single or double pole mains switch in USA? Jasen Betts <jasen@xnet.co.nz> - 2016-11-12 07:05 +0000

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