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Old 08-15-2016, 09:35 AM   #29
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I don't think that is accurate. If you look closely you will see the 50 amp service is usually protected by (2) 25 amp breakers combined. That would be (2) 25 amp legs. Not (2) 50 amp legs.
No it is two 50 amp legs. That is why a 50 amp service RV can have so many more devices.

In terms of watts, a 30 amp service can have a max of 3600 watts. A 50 amp service can have a maximum of 12,000 watts, 6000 watts on each leg.

The premise of using a 50-30 amp adapter changes the current limit from the power pole breaker to the input breaker of the RV.
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Old 08-15-2016, 01:22 PM   #30
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Old 08-15-2016, 08:15 PM   #31
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Forgive me if this was answered, but I am not clear. Is the recommendation to make it a standard practice to use the 50 to 30 amp adapter and connect to the 50 amp service, or should that be a last resort only when the 30 amp service isn't working?
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Old 08-15-2016, 09:19 PM   #32
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This is why I started the original post. Someone told me I should use the 50 to 30 adapter. I'm scared I will hurt the camper or appliances.
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Old 08-15-2016, 09:31 PM   #33
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Maybe this article will help explain the camp ground service.

It is 30 amp 120 volt or 50 amp 120/240 volts. The 50 amp uses 2, 50 amp, 120 volt legs, in most RVs.

Neither one, used with a store bought dog bone, will hurt your RV.

Please read the article so the misconceptions will clear up.

http://www.rvtechmag.com/electrical/chapter3.php
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Old 08-15-2016, 09:42 PM   #34
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Originally Posted by twinboat View Post
Maybe this article will help explain the camp ground service.

It is 30 amp 120 volt or 50 amp 120/240 volts. The 50 amp uses 2, 50 amp, 120 volt legs, in most RVs.

Neither one, used with a store bought dog bone, will hurt your RV.

Please read the article so the misconceptions will clear up.

Electrical Tutorial - Chapter 3 - 30 Amp versus 50 Amp
And ours is one of those very few that does use 240VAC for our dryer. Quite rare but it does happen.
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Old 08-16-2016, 06:42 AM   #35
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Originally Posted by twinboat View Post
Maybe this article will help explain the camp ground service.

It is 30 amp 120 volt or 50 amp 120/240 volts. The 50 amp uses 2, 50 amp, 120 volt legs, in most RVs.

Neither one, used with a store bought dog bone, will hurt your RV.

Please read the article so the misconceptions will clear up.

Electrical Tutorial - Chapter 3 - 30 Amp versus 50 Amp
Thank you for clearing that up for me ... even though you made me read and learn why Just book-marked the RV TechMag home page; thanks for sharing!
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Old 08-16-2016, 07:30 AM   #36
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The 50 and 30 amp outlets are both powered by the same bus and will supply the same voltage. The 30 amp outlet will better protect your wiring from the outlet and on thru the RV till it reaches the 30 amp breaker inside. Don't forget that the cheesy twist-lock connector in the trailer wall will not be properly protected. Of course this doesn't apply to a 50 amp RV.

The only reason to select the 50 amp outlet, and use a dogbone, is that the 30 amp outlet might be in poor condition.
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Old 08-16-2016, 08:30 AM   #37
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The 50 and 30 amp outlets are both powered by the same bus and will supply the same voltage. The 30 amp outlet will better protect your wiring from the outlet and on thru the RV till it reaches the 30 amp breaker inside. Don't forget that the cheesy twist-lock connector in the trailer wall will not be properly protected. Of course this doesn't apply to a 50 amp RV.

The only reason to select the 50 amp outlet, and use a dogbone, is that the 30 amp outlet might be in poor condition.


+1 on this
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