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View Poll Results: What type, if any, electrical protection do you use?
I check for proper electric service with a test light but I have no protection devices 15 8.98%
I check for proper electric service with a test light and I do have surge protection only 28 16.77%
I have an Energy Manage System - Before I got it I experienced damage 4 2.40%
I have an Energy Manage System - I have never experienced any damage 63 37.72%
I never check for proper electric service - I just hook up 57 34.13%
Voters: 167. You may not vote on this poll

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Old 09-07-2013, 12:49 PM   #11
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SurgeGuard 30a portable EMS.

Never had a problem before purchasing, just wanted added security. For the first year it found zero faults, this summer it found low voltage on hot summer days twice, separate CGs. Not sure I really would have damaged something had my EMS not cut the power, but I know I certainly don't have damage because it did what it should have.

As CG infrastructure ages and the number of RVs increase I expect to start finding more issues, especially the gov't owned CG with all the deferred maintenance occurring due to budget.
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Old 09-07-2013, 04:37 PM   #12
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Second thing that I installed, after the extended SS tire valves and TPMS. It's a hardwired Progressive Industries EMS-HW50C with remote display. Mounted it in the same storage compartment as the cord reel. Can't hear the hum in the rig, so if DW is happy so am I.
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Old 09-07-2013, 09:08 PM   #13
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We have had campers since 1968 and the only electrical problem we have ever had was plugging into a shed here at home. The polarity was not correct and I had to repair a refrigerator in 1996. I do use a polarity tester since reading posts on JOF.
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Old 09-26-2013, 12:27 AM   #14
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We figured if your gonna spend 30k on a TT then $240 for a Progressive EMS was a sensible feature for peace of mind. I'm sure I wont regret it.
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Old 10-07-2013, 04:17 PM   #15
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I don't understand about the polarity issue. It's something that is hard wired and isn't going to change on its own. Pulling into a site there must have been a thousand TTs there before me. As far as lightening goes it's the luck of the draw. Not even the best EMS is going to stop a direct or even near by lightening strike. It'll arc across anything. Even run along the top of the ground.
Always looking to be educated here.
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Old 10-07-2013, 04:35 PM   #16
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I voted that I have an EMS however the poll doesn't list what I actually have. I have a autoformer which does surge suppression and voltage regulation. It will cut power if it cannot handle it. I would be interested in a energy management system but haven't researched any yet.
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Old 10-07-2013, 04:51 PM   #17
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Never worried about 30amp service but never trust 50amp posts. I found one with open netural 2 weeks ago. I was in a dual site so I used the good post and reported the other one. My progressive industries surge protector earned its keep by lighting up the open netural condition. I would not waste my time checking 30amp it only has one hot wire.
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Old 10-08-2013, 05:24 AM   #18
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Quote:
Originally Posted by eldermike View Post
I would not waste my time checking 30amp it only has one hot wire.
Bad approach. I have been to one Tennessee state park where 12 - 30 amp pedestals had reversed hot/neutral. The reason I know there were 12 bad ones is I was the first of our group to set up. I found mine bad so I checked all the others in the loop.

This is what you get from low-bid contractors.
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Old 10-08-2013, 05:47 AM   #19
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Even though I have a hardwired EMS, I still check with a hand held polarity tester first before plugging in. In 4 seasons of doing this I have yet to find a pedestal with reverse wiring, but I know there will be one in the future. More common is a worn or loose receptacle which will cause low voltage problems at high current draw.
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Old 10-08-2013, 06:44 AM   #20
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Recently picked up a "free" Hughes RV2130. Before that never had any type of system.
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