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Old 07-19-2015, 08:39 AM   #11
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The OP noted he uses a surge protector. What if he had a surge protector/voltage monitor which also checks for bad grounds? One of those would have noted the problem, right?


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Old 07-19-2015, 09:10 AM   #12
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Yes, a surge protector that included a circuit analyzer would have picked up on the problem. I'm currently using Surge Guard Model 44260 which monitors open ground, open neutral, reverse polarity, and has surge protection. A bit spendy at $85 but worth it if it protects me and my rv equipment.

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Old 07-19-2015, 04:41 PM   #13
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I haven't yet had the need to trouble shoot electrical problems on TT. Is the ground and neutral separate at the incoming terminals and within the panel of the TT? I assume that is the case. Then, the ground and neutral should be separate and continuous to a point as close as possible to the source (CG transformer) or, next best case, to the next driven ground rod. If the neutral and ground are tied together at the pedestal or TT (and no gnd rod) then the return current voltage difference due to earth and conductor impedence will raise the potential of the ground at the pedestal and TT (including TT door) and you become a parallel path back to the transformer neutral/gnd. If you can verify the TT neutral and gnd are separate then the problem is in the CG electrical supply and they should fix. I would move to another campsite if they can't take care of it immediately. It only takes a 100 to 200 milliamps to kill.
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Old 07-21-2015, 04:13 PM   #14
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what size wire are YOU calling "30amp"cable .75 ft is a long way with 12 or 10ga.
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Old 07-21-2015, 05:04 PM   #15
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A good surge protector, with indicator lights, will tell you if there is a problem with the pedestal. I plug mine in before I level and disconnect my trailer. More than once I have chosen another campsite and avoided having to move AFTER I make this discovery. Here's the one I have:

Camping World has it right now for $150 + shipping. Portable Surge Guard Protectors, 50 amp - TRC 44270 - Surge Protectors - Camping World

Amazon may have it cheaper.

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Old 07-21-2015, 05:05 PM   #16
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Good Question... Not Sure?

Originally Posted by poohbear View Post
what size wire are YOU calling "30amp"cable .75 ft is a long way with 12 or 10ga.
The 75ft I have on board comes from the rigs 25 feet and a 50ft extension cord bought from a camping supplier, I assume 10ga. but I have had it for years so I honestly don't recall.


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