Normally, it is a make before break relay or standard switch. How many
poles depends on the VAC.

On Wed, Jul 18, 2018 at 3:28 PM can...@believewireless.net <
p...@believewireless.net> wrote:

> How do you make a transfer switch?
>
> On Wed, Jul 18, 2018 at 3:59 PM, Gino A. Villarini <g...@aeronetpr.com>
> wrote:
>
>> We make them all the time for running our sites in portable generator..
>>
>> We leave the generator running with the “transfer switch” If power comes
>> back, we use it and the site doesnt shut off when generator runs out of gas
>>
>> From: AF <af-boun...@af.afmug.com> on behalf of Chuck McCown <
>> ch...@wbmfg.com>
>>
>>
>>
>> *Gino A. Villarini*
>> President
>> Metro Office Park #18 Suite 304 Guaynabo, Puerto Rico 00968
>>
>> Reply-To: AnimalFarm Microwave Users Group <af@af.afmug.com>
>> Date: Wednesday, July 18, 2018 at 12:46 PM
>> To: AnimalFarm Microwave Users Group <af@af.afmug.com>
>> Subject: Re: [AFMUG] New toy
>>
>> I actually made one a few months ago.  A cheap outlet strip, perhaps from
>> FS and a relay from digikey.   Added a power cord.
>>
>> *From:* Jaime Solorza
>> *Sent:* Wednesday, July 18, 2018 9:27 AM
>> *To:* AnimalFarm Microwave Users Group
>> *Subject:* [AFMUG] New toy
>>
>> First time we use an Eaton UPS bypass...we had to open it to replace
>> short power cable with an 8 footer.
>>
>> Jaime Solorza
>>
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