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Subject Author Date
voltage drop Jeffrey Lebowski 05-23-2007
| `--> Re: voltage drop Jeffrey Lebowsk...05-23-2007
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Posted by Jeffrey Lebowski on May 23, 2007, 1:18 am
Seems I used to have a calculator but that disc finally crashed.

Umm

Wshp and I'm wanting to remote start a 24vac well pump contactor that sits
about 400 ft away from the unit--dont wanna skimp on wire but its like...I
got a mile long spool of 16-2 uf sitting in stores surplus.

Besides, Im lazy...

<wink>

Thx,

--






Posted by daytona° on May 23, 2007, 12:27 am
That will do it
And a larger VA transformer

> Seems I used to have a calculator but that disc finally crashed.
>
> Umm
>
> Wshp and I'm wanting to remote start a 24vac well pump contactor that sits
> about 400 ft away from the unit--dont wanna skimp on wire but its like...I
> got a mile long spool of 16-2 uf sitting in stores surplus.
>
> Besides, Im lazy...
>
> <wink>
>
> Thx,
>
> --
>
>
>
>
>



Posted by Jeffrey Lebowski on May 23, 2007, 1:38 am

> That will do it
> And a larger VA transformer
>
> > Seems I used to have a calculator but that disc finally crashed.
> >
> > Umm
> >
> > Wshp and I'm wanting to remote start a 24vac well pump contactor that
sits
> > about 400 ft away from the unit--dont wanna skimp on wire but its
like...I
> > got a mile long spool of 16-2 uf sitting in stores surplus.
> >
> > Besides, Im lazy...
> >


Daytona, thx.

Esp since that spool of 16-2 is basically fucking useless today except in
some certain fairly well-defined situations.

--

SVL


Posted by jamesgangnc on May 23, 2007, 7:54 am
That's plenty big enough. If you're worried about voltage loss use a 115v
relay. Low voltage doesn't travel well, thats why the big transmission
lines are high voltage.

> Seems I used to have a calculator but that disc finally crashed.
>
> Umm
>
> Wshp and I'm wanting to remote start a 24vac well pump contactor that sits
> about 400 ft away from the unit--dont wanna skimp on wire but its like...I
> got a mile long spool of 16-2 uf sitting in stores surplus.
>
> Besides, Im lazy...
>
> <wink>
>
> Thx,
>
> --
>
>
>
>
>



Posted by Jake on May 23, 2007, 7:15 pm
Sam,

Depending on the relay at the far end, I've seen these 'pick up' for
strange reasons on long runs.

I would also also use 120 V and change the relay coil... or the relay.

.. or. you can try 24 vdc... much more durable at long distances. Go to
crack-Shack and buy a full-wave bridge rectifier for $3 bucks (-;....

Jake

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