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Old 01-30-2016, 04:12 PM   #61
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In my region, cg's charge more for 50amp service.
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Old 01-30-2016, 05:53 PM   #62
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Nobody has considered that the trailer cable and wiring and main breaker is only rated for 30 amps...BE CAREFUL!!!!!!!!!!!!!!!!!!! j
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Old 01-30-2016, 07:10 PM   #63
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As a lay person, I'm a bit confused about how the RV's power cord is at risk here. I understand that if you plug a 30A cord into a 50A receptacle using the proper dogbone adapter, you don't have the extra benefit of a 30A breaker at the power pedestal, but doesn't the 30A breaker in your converter (assuming its functioning as designed) prevent the entire system (internal electrical system and external power cord) from seeing more than 30A? Is the electricity a wave coming down the power cord that hits and trips the breaker?
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Old 01-30-2016, 07:26 PM   #64
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There should be a 30 A breaker in the distribution panel that feeds the converter among other loads.

The issue with plugging into the 50 A socket with an adapter is that if there is a short to the return the power cable is protected at 50 A by the breaker in the box instead of 30 A as rated. Reality. is that any power cable can easily handle a short term 100% overload without damage. The real limiter on conductor size in that application is voltage drop. The issue is technical correctness per code vs what will really happen.
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Old 01-31-2016, 10:52 AM   #65
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Interesting reading. Not to hijack this thread, but I was reading a thread the other day about the 30 to 50 and 50 to 30 amp adapters, and surge protectors, and it was brought up that the loss of the neutral in a 50 amp setup could cause an over voltage on either leg. Someone there was advocating using the 30 amp supply and adapting up to your 50 amp cord (if that is your setup) to protect against that. Can an expert here clarify this for me?
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Old 01-31-2016, 11:08 AM   #66
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I just looked at the list of errors my potable surge protector has and it appears the unit is primarily a voltage monitoring device. For an over currant problem the breaker on the converter will have to trip. but, figuring in ohms law, an over currant problem could be caused by a low voltage problem tripping the surge protector. PI covers everything pretty well. They don't miss any problem that I can think of off the top of my head. They make the best affordable device I have seen.

All the trailers I have had, 5 so far, have been 30 amp units. I carry a 50 to 30 amp converter plug but I have not had to use it yet. IMO it is like insurance, a waste of money till you need it, if you ever need it. When I rolled my Jeep and trailer I was glad I had it!

Jim
There are C/G in KY and Wi that ONLY have 50A Outlets so Keep your adapter handy! Youroo!!
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Old 01-31-2016, 11:32 AM   #67
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There are C/G in KY and Wi that ONLY have 50A Outlets so Keep your adapter handy! Youroo!!

Youroo, people just won't be able to camp at those c/g's so they don't blow up their 30 amp camper.


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Old 01-31-2016, 11:39 AM   #68
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Youroo, people just won't be able to camp at those c/g's so they don't blow up their 30 amp camper.


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Yes there is one in Bardstown,KY that is Very Close to the Bourbon Trail! This could be Devastating! Youroo!!
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Old 01-31-2016, 11:56 AM   #69
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When In Nashville last year I was plugged into 30 amp, about noon I was down to 102 volts.
Plugged into the 50 and was back up to 112v
My recent experience.


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Turbs,
Did you use a 50 to 30 dog bone adapter? I am starting to read about hard wired protection vs what I plug into the post. Sheesh, it occurs to me now that I would have never been alerted to the low voltage.

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Old 01-31-2016, 12:02 PM   #70
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I have used a 50 to 30 adapter for 10 years.
If I find low voltage in the heat of the day on the 30 amp line I adapt to the 50


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