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Old 04-02-2011, 05:10 AM   #15
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Originally Posted by Bob and Inga View Post
We also have a 35E and had no place for a hardwired surge protector, we went with the EMS-PT50C and keep it locked. No problems in 4+ years, except for bad voltage. Low voltage is the most common and is a must as the voltage may be fine when you first setup. On the first hot afternoon when everyone puts their AC's on is when you will find out just how good the CG's electric is. You need 24/7 protection.

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Old 04-02-2011, 06:07 AM   #16
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Keep saving as it is a must have. But we have had over voltage twice, once in Mexico Beach FLORIDA our EMS shut us down for 139 volts. I talked with the CG owner and his comment was something like 'Hmm, I don't recall how I wired that area, I'll check in the morning'. I needed to exercise the genset so it was no big deal. The good news is that the CG, Rustic Sands has all new electric done by licensed pro's. Something that an awful lot of CG's need to have done.

The other time was not so nice. It was at a fairgrounds CG which was almost empty. I setup and everything was fine. But the genset needed exercise, so I shut the 50 amp breaker off, noticed that the 30 amp breaker was on, so I turned it off as well. After running the genset for an hour or so, I went out and flipped the 50 amp breaker back on and went inside. After a few minutes and no power inside I went back out and the EMS was reading 255 volts!!!

Somehow when I flipped the 30 amp breaker off, two hots must have come in contact doubling the voltage. However, the real scary thing was that the sites around me all got hit with the 250+ volts. I was simply going to use another sites electric, but that went out the window. Having a portable unit in this case saved me the trouble of moving the RV only to end up with the same problem. That was in Eureka at the Redwoods Acres Fairgrounds in '08 so I don't know if they still have the same possible problem. I was just real glad that I had listened to the 'old timers' who highly recommend EMS units.


2006 Fleetwood Bounder 35E
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Old 04-02-2011, 07:20 AM   #17
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Do you have to use a separate surge protector for 30 amp and 50 amp?
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Old 04-04-2011, 08:26 PM   #18
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Originally Posted by pblumenfeld View Post
Do you have to use a separate surge protector for 30 amp and 50 amp?
No -- I have a 50 amp hardwired SurgeGuard on my mh and at my stick house, I am plugged into 30 amp service. It handles 30 amp or 50 amp equally well.
Dave and Karen -- '02 Ultimate Advantage 36 C, 350 HP Cummins, Allison 3060 Tranny
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Old 04-04-2011, 08:53 PM   #19
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I saw a gentleman with a portable EMS a week or so back. He had a box that fit over the connection to the house line he just put a lock on the box. Know he didn't make it and I failed to ask where he got it.

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Old 04-05-2011, 02:03 AM   #20
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"Box" on portable surge protector

The box you mention may be the "hasp" that is sold to lock onto the connection between surge protector and 50A line into the rig. It is a relatively small bit of plastic that closes around structures. Then you put on your own padlock. Some folks think it is pretty shoddy as security, but I am about to give one a try. You can get them at Camping World for about $25 -- less if you are a member.

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Santa Fe, NM
2011 Sightseer 33C, Ford Chassis
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Old 04-05-2011, 04:39 AM   #21
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Yes, most of the time, Low Voltage will be what you will encounter the most when traveling around the country.

Your stuff inside the RV does NOT like low voltage at all. It makes them work extra hard trying to operate correctly.

I have found that the best combination package to have is a PowerMaster Voltage Booster followed by a Progressive EMS HW50C system. I have never been shut down for Low Voltage as the PowerMaster takes care of that for me. I have been briefly shut down for high voltage occasionally and it only happens very briefly when the voltage peaks over 132. Usually the only way I know is by looking at the remote display to see if there are any error codes.

I have yet to come across a bad pedestal with either an open ground or a bad neutral. However, I am well protected for everything that may come my way by using the BEST in the industry.

Dr4Film ----- Richard.
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