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Old 08-20-2014, 09:30 PM   #1
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Importance of having protection for electrical devices

Just having come back from almost a month long trip, covering around 6850 miles from Oklahoma to Nova Scotia and points between, and staying in a variety of national parks, state parks, provincial parks and private campgrounds, my Progressive Industries EMS-PT30C protected my Interstate (and me) twice. The first was a reversed wired 30 amp plug in one of Canada's National Parks, and the second was an open ground in a 30 amp plug in a private campground (one of the worst we stayed at-it was more a refugee camp). In both instances, the 20 amp was wired correctly so we just used that instead. On the open neutral site, a lady came up the next morning and wondered how I got the plug to work, because she had been given the site first and moved after telling the manager about the problem using the same protection device-who then promptly assigned it to me when I arrived (like I said, it was a really crummy campground).

On the way back, I stopped at Jackson Center for a couple of minor issues for them to fix.

Barring some other major issue, my days at Jackson Center are hopefully behind me. I think I know my Interstate better than they do, having replaced my old Tripplite with the Magnum unit with a new remote. I also got a good explanation and view of how everything comes apart inside. After spending a week plus one day there, I got to know them (and them me) pretty well. I have come to the conclusion that Airstream is probably not much better, and probably not any worse, than any of the RV manufacturer's. I wish I could say quality was as important as pushing product out the door, but that's not the case, probably with any of the manufacturer's, except maybe Prevost.

In any event, I highly recommend the EMS-PT30C. With a lifetime guarantee, it sure can't be beat. Don't leave home without it.
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Old 08-20-2014, 10:06 PM   #2
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In both instances, the 20 amp was wired correctly so we just used that instead.
I carry a 50-to-30 adapter as well as a 15-to-30 adapter. If there is a 50-amp socket as well as a 30amp and there's a problem with the 30amp, I'll go up to the 50 instead. I've had to do that twice, where the 30amp socket was badly worn. So far I haven't been forced to use my 15-to-30 adapter at a campground.
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Old 08-20-2014, 10:40 PM   #3
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I also have a Progressive Industries EMS hard-wired. At one campground in Chicken, Alaska it protected me from very low voltage conditions. The campground was powered by a diesel generator that had been giving them trouble. I found several campgrounds in Alaska and northern Canada that only had 15v service so the adapter stayed on my power cord for several stops.


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Old 08-21-2014, 09:57 AM   #4
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I also have the RMS hRd wired in. Lucky so far I did not experienced any problems but seeing the condition of the electrical connectors I wonder that there are not more problems.
I had the same impression of the service in Jackson Center and it is disappointing to see that with a nice looking product like the interstate. I only can hope they are better with the trailers.


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Old 08-21-2014, 06:02 PM   #5
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my Progressive Industries EMS-PT30C protected my Interstate (and me) twice. The first was a reversed wired 30 amp plug in one of Canada's National Parks, and the second was an open ground in a 30 amp plug in
A $3 outlet tester would have done the same thing.
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Old 08-22-2014, 04:12 AM   #6
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An outlet tester would have shown there was a problem in both cases, doubtful you can buy one for $3 though. What an outlet tester would not have done is protect in the case of a power surge or an unsafe rise or fall in voltage.
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Old 08-22-2014, 08:18 AM   #7
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Yes that exact what I was thinking even if it was only $1 how good is it if you have to check every 5 minutes not much fun doing this all day.


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Old 08-22-2014, 11:54 AM   #8
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Since an outlet checker just verifies that the wiring is correct, wouldn't be any need to check more than once. But that's all it does. No surge or lo/hi voltage protection.
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