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Home > Archive > Electrical Engineering > August 2005 > Location For A Wired-In Surge Protector ?
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Location For A Wired-In Surge Protector ?
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| Robert11 2005-08-17, 9:21 am |
| Hello:
Will be putting in a "secondary" wired in surge protector (an Intermatic AG
2401 IND )
to try and protect a new furnace circuit board that is apparently
susceptible
to lightning induced transients. It fried during last lightning storm.
Eventually, I hope to replace the electrical service box, and, when I do, I
will install
a whole-house variety. But for now, will have to settle for the
point-of-use, wired in variety.
There is the typical on/off furnace switch located in a EMT tubing run,
about a foot or so from the furnace proper. This seems like a good place to
wire it in, and install it.
Have been thinking a bit about whether it makes more sense to wire it in on
the upstream side of the switch, or whether it should be placed on the
downstream side (the end closer to the furnace) ?
Seems to me that it probably doesn't matter at all, but thought I'd ask.
Any thoughts on ?
Thanks,
Bob
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| SQLit 2005-08-17, 11:21 am |
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"Robert11" <rgsros@notme.com> wrote in message
news:1LCdnZ2dnZ1KvWuCnZ2dnSm7nt6dnZ2dRVn-zZ2dnZ0@comcast.com...
> Hello:
>
>
>
> Will be putting in a "secondary" wired in surge protector (an Intermatic
AG
> 2401 IND )
>
> to try and protect a new furnace circuit board that is apparently
> susceptible
>
> to lightning induced transients. It fried during last lightning storm.
>
> Eventually, I hope to replace the electrical service box, and, when I do,
I
> will install
>
> a whole-house variety. But for now, will have to settle for the
> point-of-use, wired in variety.
>
>
>
> There is the typical on/off furnace switch located in a EMT tubing run,
> about a foot or so from the furnace proper. This seems like a good place
to
> wire it in, and install it.
>
>
>
> Have been thinking a bit about whether it makes more sense to wire it in
on
> the upstream side of the switch, or whether it should be placed on the
> downstream side (the end closer to the furnace) ?
>
>
>
> Seems to me that it probably doesn't matter at all, but thought I'd ask.
>
>
>
> Any thoughts on ?
>
>
>
> Thanks,
>
> Bob
It might work better if you installed it at the service. Closer to the
grounding an all. Distance is a factor when connecting surge protection
devices to the power.
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| Hei bob,
Agreed with robert11but more practical if that wire is not reachable
and hidding or shiealded with suitable protection materials such as PVC
pipe at least 5 feet above ground.
tks
magic
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