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Old 09-28-2016, 02:04 PM   #11
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Originally Posted by bdreinv View Post
I plug my 15000 ac into my dryer plug using the dog bone, its on a 30 amp breaker. I should say never tried to run both 15000 on 100 plug.
Confused.. are you saying you are using a 'Dryer' plug to power stuff? I won't get into the 240 volt discussion if that's not the case... I probably read your post wrong.
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Old 09-28-2016, 02:19 PM   #12
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If I were you, I would not do any more experimenting until you know a little more about the electrical system.
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Old 09-28-2016, 02:21 PM   #13
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AC Problem

I would not plug anything set up for 120 V into any household dryer connection until I knew for sure it was 120 versus 240V. Being a non-electrical type, I thought all h/h dryers ran off 240V due to the high heat requirement.
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Old 09-28-2016, 02:29 PM   #14
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Adapting a dryer vent has burned a number of RV people.

RV 30 AMP is 110/120v where a dryer 30 AMP is 220/240.

RV 50 AMP is 220/240.

If your AC isn't working on the generator then my vote is you have an issue somewhere. Hopefully it wasn't caused by plugging into the wrong power source.
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Old 09-28-2016, 02:41 PM   #15
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RV 50a service is actually 2 separate 120v -50a feeds with a common neutral. Effectively 100a of total power available to your rv. When you use a dog bone, you are limited to the current capacity of the source breaker.

I still suggest you back off until you have more information.
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Old 09-28-2016, 02:46 PM   #16
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RV 50a service is actually 2 separate 120v -50a feeds with a common neutral. Effectively 100a of total power available to your rv. When you use a dog bone, you are limited to the current capacity of the source breaker.

I still suggest you back off until you have more information.
Correct... I should have been more specific in my 50 AMP description.

Another good reason for a EMS unit.... If you plug a 30 AMP unit and it detects 50 AMP it'll kill the flow.
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Old 09-28-2016, 03:03 PM   #17
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Originally Posted by norty1 View Post
RV 50a service is actually 2 separate 120v -50a feeds with a common neutral. Effectively 100a of total power available to your rv. When you use a dog bone, you are limited to the current capacity of the source breaker.

I still suggest you back off until you have more information.
Oh, so it's TWO X 50 amp 115 volt circuits, not two X 25amp? Geez. I also read somewhere that the two 115 volt circuits are out of phase with one another, which means you would normally measure 230 volts between them, but only 115 volts between each line and common neutral. Is this correct?
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Old 09-28-2016, 03:05 PM   #18
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Sorry to hijack the thread, by the way, but I think it's germane to the OPs topic, as well as anyone using a 230v dryer outlet to power the RV.
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Old 09-28-2016, 04:39 PM   #19
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Oh, so it's TWO X 50 amp 115 volt circuits, not two X 25amp? Geez. I also read somewhere that the two 115 volt circuits are out of phase with one another, which means you would normally measure 230 volts between them, but only 115 volts between each line and common neutral. Is this correct?
Yes, same as any 240 volt circuit. If you use a dog bone and plug into a 120 volt plug you will only power a portion of your RV appliances. If you have two AC only one will have power.

As others have said, I would back off until what your situation is. A dryer is typically a 30 amp 240 circuit...
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Old 09-28-2016, 06:37 PM   #20
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Yes, same as any 240 volt circuit. If you use a dog bone and plug into a 120 volt plug you will only power a portion of your RV appliances. If you have two AC only one will have power.

As others have said, I would back off until what your situation is. A dryer is typically a 30 amp 240 circuit...
Oh, it wasn't me using the dryer outlet. I was told, though, that each AC unit operates from a different 115 volt line in a 50 amp RV circuit.
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