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Re: [Shop-talk] attic fan switches (does this exist?)

To: shop-talk@autox.team.net
Subject: Re: [Shop-talk] attic fan switches (does this exist?)
From: Brian Kemp <bk13@earthlink.net>
Date: Thu, 30 Jul 2020 20:47:32 -0700
Delivered-to: mharc@autox.team.net
Delivered-to: shop-talk@autox.team.net
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References: <OFE7381D36.1E919074-ON852585B5.00449671-852585B5.00450714@mail.megageek.com> <CAO8Q7COC8s7846bFJe_ZupvpwOcPNmXQtJEbfgyCCwbPGGK=-Q@mail.gmail.com> <OFC648C477.9006C412-ON852585B5.004BCE03-852585B5.004BFB0D@mail.megageek.com> <9b3f74de-b2ee-1bed-1fff-9f940e79bb6d@comcast.net>
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I agree that the circuit below looks like a good way to go to manually 
turn on the fan if you can drop a wire from the fan thermostat box to 
your switch box.  Run the hot on the black and color or tape the white 
wire black to indicate it is switched so the next owner of your house 
doesn't think it is a neutral.

You might want to use a mechanical timer switch if you are concerned 
about forgetting to turn the fan off.  Sample: 
https://www.homedepot.com/p/TORK-A500-series-Multi-Volt-125-250-277-VAC-60-Minute-Springwound-Auto-Off-In-Wall-Timer-White-A560MW/205580572
 


Brian

On 7/30/2020 7:00 AM, Donald H Locker wrote:
> I would think a simple single-pole switch wired with its contacts in
> parallel with the thermostatic switch contacts would do the job.
>
>                     /
>                |--o/ o--|       Bedside switch
>                |        |
>                |  ____  |
> Line (Black) ----o  o----...---Fan motor (That's a t'stat switch in-line)
>
> Donald.
> --
> *Plain Text* email -- it's an accessibility issue
> () no proprietary attachments; no html mail
> /\ <https://www.georgedillon.com/web/html_email_is_evil.shtml>
>
> On 2020-07-30 9:49 a.m., eric@megageek.com wrote:
>> Jeff asks about a switch to override the thermostat
>>
>> Over all, I just want a switch near my bed to override the thermostat.
>>   I really didn't want to get into complex home automation as I find it
>> ore of a pain.  I do still use X-10 because it is some much more bullet
>> proof than modern protocols (and secure, no IOT)
>>
>>
>> "Be as beneficent as the sun or the sea, but if your rights as a
>> rational being are trenched on, die on the first inch of your
>> territory." Ralph Waldo Emerson
>> -Who is John Galt?
>>
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