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Old 04-27-2014, 09:23 PM   #31
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Bob Landry- I went to CW today and bought 2 dog bones based on your post about the adaptor burning cords etc. You definitely got my attention! That's why I read the JOF as much as possible...so I can learn from you knowledgable experts in the RV arena. Thanks all.
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Old 04-27-2014, 10:00 PM   #32
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So what I think I understand Bob to say is that you can convert down from a 50 amp source to a 30 amp wire, provided that you have a 30 amp breaker in line somewhere, either because your TT power center is 30 amps, or you have added an inline 30 amp breaker.

But a 50 amp feed to a 50 amp power center, (breaker) running through a 30 amp wire is still a potential problem


Am I clear on that?
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Old 04-27-2014, 10:07 PM   #33
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Quote:
Originally Posted by Jmooney View Post
So what I think I understand Bob to say is that you can convert down from a 50 amp source to a 30 amp wire, provided that you have a 30 amp breaker in line somewhere, either because your TT power center is 30 amps, or you have added an inline 30 amp breaker.

But a 50 amp feed to a 50 amp power center, (breaker) running through a 30 amp wire is still a potential problem


Am I clear on that?
You are correct. There would be no protection for the 10g a wire which is only rated for 30A.
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Old 04-27-2014, 10:12 PM   #34
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Thanks Bob. This was a long thread with lots of counter points. In the end I wanted to make sure both I, and a future casual reader , would get the most important message: how you do this is important, not doing it right could be very dangerous.

Just cause they sell adapters , doesn't make it safe.
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Old 04-27-2014, 10:22 PM   #35
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Been thinking about going to a state park with only 50 amp. So what I have to do is hook up a dog bone to the 50 amp source, [50 to 30] then hook up surge protector 30 amp then hook up trailer cord 30 amp. Time we are planning to go is Oct so air conditioning will not be used. Is this right.
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Old 04-27-2014, 10:24 PM   #36
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What is the rated breaker in the power center in your TT.

If it's 30 amps, or less, , you are fine, it will provide protection, cause the TT can't draw more than 30 amps without tripping the main breaker in the TT power center, therefore, never drawing more than 30 amps through the wire used to connect to the post.

You will still need an adaptor to go from a 50 amp plug to a 30 amp cable to the TT

The risk that I was describing is when you have a 50 amp breaker at both ends, and a 30 amp wire in between
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Old 04-27-2014, 10:33 PM   #37
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Power surge or clean power at the camp ground is a different problem altogether, and if you have concerns, then you need to add appropriate surge and voltage protection devices as Bob described
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Old 04-27-2014, 11:20 PM   #38
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J- here is what I have. Trailer 30 amp. Plug in power at campground 50 amp. Dogbone goes from 50 amp to 30 amp, then hook up 30 amp surge protector then hook up 30 amp trailer.
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Old 04-28-2014, 07:49 AM   #39
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J- here is what I have. Trailer 30 amp. Plug in power at campground 50 amp. Dogbone goes from 50 amp to 30 amp, then hook up 30 amp surge protector then hook up 30 amp trailer.
Excellent!
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Old 04-29-2014, 08:46 AM   #40
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I'v kept our Eagle plugged into the barn with an adapter most of our short summers for three years without a problem. That said, even though I'm only running the fridge, I pull out the 30 amp cable so it's not curled up (thanks, Parcany) and use a short, heavy gauge extension cord.

As the lawsuits pile up it's becoming more and more difficult to know whether an instruction in a manual is instructing us on how to use a product or is butt cover from the legal department.
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