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Old 02-27-2015, 06:59 AM   #15
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Another vote for portable. At first I was worried about it being stolen. Having used it a while, even leaving it on the trailer in a campground while we were gone a few days, I don't worry anymore. If it gets stolen at some point I'll just have to buy another. Most campers are honest people who respect the property of others. I see people camping leave grills, televisions, generators, bicycles, expensive chairs, and other possessions of value outside their trailers without the valuables walking.
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Old 02-27-2015, 07:09 AM   #16
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Portable

Here is mine along with the locking method I use when at an RV park. This is photographed in my garage, thus unlocked:

Voltage monitor by Fantinesvoice.com, on Flickr

As far as I know this one monitors things, has a two minute delay while it checks out the various aspects of the source, shuts down with low voltage, and is easily stored. In my current trailer accessing the power inlet on the interior and installing a permanent unit was impractical IMO.
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Old 02-27-2015, 08:29 AM   #17
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Interesting how a thread goes from "Does it make any difference if the portable surgeprotector is attached between the pedestal and extension cord or the extension cord and the trailer/van connection???" to a poll about wired in vs portable surge protectors just because someone has a different opinion, or desire, and voices it.

It seemed to me if someone was interested in having the surge protector on the other end of the cord, the inside unit was an obvious choice, but I guess not.
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Old 02-27-2015, 11:21 AM   #18
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Originally Posted by wahoonc View Post
And if it gets a zap from lightning or a severe voltage spike it is toast. There is no functional difference between the portable and the hard wired units that I am aware of, other than the ease of replacement of the portable unit and the ability to easily bypass it.

Aaron
Here is a response from Progressive Industries on the EMS-HW30C on the hard wired unit.

​If the surge protection devices give their all while protecting your
coach, you will see an E10 error code. You would then need to contact

us and obtain a replacement circuit board (The surge protection and control
circuitry are on different boards). The circuitry would permit you

to continue to power your coach, without using the bypass switch.

If you have anymore questions, feel free to contact me.

Regards, Donald, Customer Support 919 267-6948
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Old 02-27-2015, 06:05 PM   #19
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Here is a response from Progressive Industries on the EMS-HW30C on the hard wired unit.

​If the surge protection devices give their all while protecting your
coach, you will see an E10 error code. You would then need to contact

us and obtain a replacement circuit board (The surge protection and control
circuitry are on different boards). The circuitry would permit you

to continue to power your coach, without using the bypass switch.

If you have anymore questions, feel free to contact me.

Regards, Donald, Customer Support 919 267-6948
That is great... for that specific model. There are at least 4 different brands of surge protector that I am aware of.

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Old 02-27-2015, 09:02 PM   #20
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Originally Posted by unifreck View Post
Does it make any difference if the portable surgeprotector is attached between the pedestal and extension cord or the extension cord and the trailer/van connection???

Thank you for your interest in helping this fairly new retiree.
It shouldn't matter, but you can't plug the surge protector into your trailer connection as it's a different plug type than the pedestal so your cord has a different plug type on each end. The trailer uses a twist type outlet and the pedestal a push type outlet like the surge protector uses. The only place you can use the protector is at the pedestal.
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Old 02-27-2015, 09:47 PM   #21
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Internal or external ... just have one AND use it! Too late after the "toasting" ...
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Old 02-28-2015, 01:38 PM   #22
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CONGRATULATIONS to CA Streamer for the correct answer to my query.

Thanks to all of you for participating in my scientific study of observation.

Hope to meet you all during our travels, and thanks to this forum I have learned a lot about my INTERSTATE traveling companion.
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Old 02-28-2015, 02:05 PM   #23
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Security vs. Fire Protection

I myself would prefer the hard wired internal unit for convenience and harder to steal quality. However, I think I will go with the external unit.

The reason being, and I'm totally open to being corrected here if I'm wrong:

Would not there be a fire hazard associated with the onboard unit? In other words, lightning strikes and the unit blows up. Great that it spared the rest of the electricals in the coach...but could it not catch on fire?

If not, then I'd just hardwire the sucker onboard. Actually, scratch that. I'd MOUNT the sucker onboard and plug into it. But, if it did get toasted, I could always unplug from it and plug into a chord and have power again.

Anyway, the fire hazard part is what would make me want it external out by the power pole. Please straighten me out if I'm wrong here.

Cheers,
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Old 03-02-2015, 12:29 PM   #24
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Originally Posted by JimGolden View Post
I myself would prefer the hard wired internal unit for convenience and harder to steal quality. However, I think I will go with the external unit.

The reason being, and I'm totally open to being corrected here if I'm wrong:

Would not there be a fire hazard associated with the onboard unit? In other words, lightning strikes and the unit blows up. Great that it spared the rest of the electricals in the coach...but could it not catch on fire?

If not, then I'd just hardwire the sucker onboard. Actually, scratch that. I'd MOUNT the sucker onboard and plug into it. But, if it did get toasted, I could always unplug from it and plug into a chord and have power again.

Anyway, the fire hazard part is what would make me want it external out by the power pole. Please straighten me out if I'm wrong here.

Cheers,
No, you are correct, and I (long ago) posted a link to someone who had that happen. They and Camping World were holding the blackened surge protector up like the new lion king; what I heard was, "There was a fire in the back of our coach and fortunately we were there to stop it. Everyone else just lost a few appliances but we were safe... other than the fire!" I'd rather lose a few appliances, frankly. Especially if we happened to be sleeping or away from the camper.

(The last time I posted this, someone countered with, "Yeah, but the appliances could catch fire, too." But, based on the story, they didn't, even in the campers without a surge protector.)

I don't have one of these things, but I'd definitely go with one that plugs in at the pole.
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Old 03-02-2015, 01:11 PM   #25
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My vote is for the hard wired over external because if you use a transfer switch for a generator you want both shore power and generator to go through the protection device. The Surge Guard with remote is the best on the market. As others have said it reads current 120 seconds before connecting and continues to monitor while connected and cuts current if it sees conditions not normal. Lightning as others have said has no bearing on surge protection what so ever! If your unit gets hit while on the road or while hooked up your electrical connection is not the ground rather the front lift or supports and since your Airstream is all aluminum the current uses it as the fastest way to the ground and not your electrical system. Homes that are made of wood with no lightning rod can see electrical problems for this reason. TRC the company that makes the surge guard has had less than 1% returned units and they claim most of the returns are from improper installation and nothing to do with fried units from electrical storms or faulty shore power wiring...
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Old 03-03-2015, 01:44 PM   #26
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I have do take exception to TRCs claim of 1% returns and claims of improper installation. I work mostly on large diesel motor homes and every year, replace up to 20 TRC surge guard units. They were ALL INSTALLED PROPERLY. TRC even set up a hotline so end users can call direct for replacements without having a tech or dealer doing it.

They are still the best on the market and I use them exclusively. But TRC, please don't blow smoke when none is necessary.



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Old 03-06-2015, 10:46 AM   #27
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I am considering purchasing a 50 amp portable EMS and have narrowed it down to the Progressive Industries EMS-PT50C and the TRC Surge Guard Model 34850 (the new one just released). Any thoughts on one unit versus the other? To my untrained eye they seem about the same on paper.

The only difference, other than price that I see is the new Surge Guard has
Overheating Plug/Receptacle (Patent-Pending) sensing and PI doesn't.
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Old 03-06-2015, 11:23 AM   #28
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Originally Posted by wahoonc View Post
And if it gets a zap from lightning or a severe voltage spike it is toast. There is no functional difference between the portable and the hard wired units that I am aware of, other than the ease of replacement of the portable unit and the ability to easily bypass it.

Aaron
I know that the Progressive Industries model (like that shown by Steve H) already has a bypass switch for just such a case as a lightning strike. Of course this model is $300+ so it should have extended features.
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