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Old 04-17-2018, 04:33 PM   #21
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By the way, not all air conditioners are the same. Relative to a 15-Amp circuit, there is a huge difference between a high-efficiency 13,500 A/C and a lower-efficiency 15,000 A/C.

Assuming that everyone has similar equipment, and therefore same experiences/results is not a good idea in my opinion. Details often do matter.
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Old 04-17-2018, 04:40 PM   #22
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plug

If you have an electric dryer you can make adapter and it will give you 30 amp 220 that you can make two 30 amp 110 plugs. I did this to power multiple computers when I hosted a lan party for games. Just don't do it on laundry day. The dryer would be in the house not RV.
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Old 04-17-2018, 04:49 PM   #23
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We have a 20 amp non-GFI outlet in our garage that was intended for a refrigerator. We use it all of the time for our RV. I have a heavy duty 50ft extension cord that I plug into the RV's 30 amp cord. Entire length to the RV on the curb is probably 80ft. We can run the AC with this arrangement, though the extension cord does get warm to the tough (just warm, not hot) and we have yet to pop the breaker. I try to be judicious about how long we run the AC, usually only while DW is over cleaning the coach.

15 amp probably would not run the AC, but you will only know if you try it and it pops your breaker. Pay attention to extension cord size. The typical big box extension cord might not have big enough wire. I think ours is 12ga while a lot of them are 14 ga.
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Old 04-17-2018, 04:50 PM   #24
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[QUOTE=wredman;115977]I did not buy from Homedepot, but I think this is the one I bought...

They're made by Camco: Thanks for the information!
Now I can go shopping!
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Old 04-17-2018, 04:51 PM   #25
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always monitor your voltage and amperage draw.
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Old 04-17-2018, 05:12 PM   #26
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Originally Posted by wredman View Post
I did not buy from Homedepot, but I think this is the one I bought.
For a 50a RV
Note - it does not work at most campsites because neither circuit can be GFCI protected.

the PHOTO that the website provided is actually inaccurate.... LOOK at the power pedestal. The adapter is plugged into TWO outlets, as you might expect, but WHERE'S the 50amp outlet?? There is a 50amp double-pole breaker, along with the 30a and 20a, but NO outlet! Someone has photo-shopped this photo.

also, where's the 20a double plug outlet? the one on the right 'seems' to be a small 'single' outlet, certainly NOT reflective of ANY campground or rv park power pedestal we've EVER seen.... it's just not normal. PLUS, the fact that this power pedestal box certainly looks 'newer', and does NOT have a GFCI outlet!?!?

weird, and NOT what a new owner should be seeing if they are looking to purchase this adapter. Either Camco or HomeDepot has some 'splaining to do!
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Old 04-17-2018, 05:20 PM   #27
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[QUOTE=Bob Denman;116009]
Quote:
Originally Posted by wredman View Post
I did not buy from Homedepot, but I think this is the one I bought...

They're made by Camco: Thanks for the information!
Now I can go shopping!
Ummmmm......... Don't you have a 30 Amp rig?
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Old 04-17-2018, 05:51 PM   #28
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Back to the original question, like most people have mentioned you should be just fine running the lights, refrigerator, charging the batteries, TV and those items that do not require a lot of amperage to run. Most air conditioners do not fit in that category. So what would happen if you do it anyway? Might run just fine, could trip the breaker, could burn up your air conditioner (think brown out). Is it worth burning your home or RV up if the breakers don't trip? Not in my book. If your storing or using the RV at home, add a 30 amp line outside and play it safe.
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Old 04-17-2018, 06:02 PM   #29
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Originally Posted by jnschnit View Post
Back to the original question, like most people have mentioned you should be just fine running the lights, refrigerator, charging the batteries, TV and those items that do not require a lot of amperage to run. Most air conditioners do not fit in that category. So what would happen if you do it anyway? Might run just fine, could trip the breaker, could burn up your air conditioner (think brown out). Is it worth burning your home or RV up if the breakers don't trip? Not in my book. If your storing or using the RV at home, add a 30 amp line outside and play it safe.
It just trips the breaker with no damage to the A/C. At least that has been my experience with several different RVs on our same plug.
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Old 04-17-2018, 06:03 PM   #30
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Originally Posted by wredman View Post
I did not buy from Homedepot, but I think this is the one I bought.

For a 50a RV

https://www.homedepot.com/p/Camco-50...FQq9Twod3rEAJQ


Note - it does not work at most campsites because neither circuit can be GFCI protected.
That adapter looks very interesting and potentially very dangerous to me. How do they insulate the 220V male plug when the 110V male is plugged in or vice versa? Is this a live terminal?
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Old 04-17-2018, 06:16 PM   #31
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He said he has a 50-Amp motorhome.

This adaptor sends up to 30 Amps on one leg, and up to 20 Amps on the second leg. Since the RV and cord are rated for up to 50 Amps PER leg, it should work fine for him.


Like others stated, it doesnít apply to 30-Amp rigs (like OP) because they only have one leg.
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Old 04-17-2018, 06:22 PM   #32
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"It just trips the breaker with no damage to the A/C. At least that has been my experience with several different RVs on our same plug."

Yes, That is the way it should work, the breaker should trip and that's the end of it. But I have seen many instances of burned and fried wires and components. One of the previous appends in the thread said they used a 50ft 12 gauge extension cord and it only got just a little warm. That's plain dangerous and the warm extension cord is telling you that. So bottom line is I would not do it or recommend it. If you want to do it, and know the risks then more power to ya.
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Old 04-17-2018, 06:25 PM   #33
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Originally Posted by jnschnit View Post
"It just trips the breaker with no damage to the A/C. At least that has been my experience with several different RVs on our same plug."

Yes, That is the way it should work, the breaker should trip and that's the end of it. But I have seen many instances of burned and fried wires and components. One of the previous appends in the thread said they used a 50ft 12 gauge extension cord and it only got just a little warm. That's plain dangerous and the warm extension cord is telling you that. So bottom line is I would not do it or recommend it. If you want to do it, and know the risks then more power to ya.
That wasn't my post, and I don't use 50ft nor a 12 gauge extension cord. Like others above I use the 30A RV cord with an adapter at the plug (and not the little hockey puck adapter either).
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Old 04-17-2018, 06:31 PM   #34
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Originally Posted by Chance View Post
He said he has a 50-Amp motorhome.
This adaptor sends up to 30 Amps on one leg, and up to 20 Amps on the second leg. Since the RV and cord are rated for up to 50 Amps PER leg, it should work fine for him.
Like others stated, it doesnít apply to 30-Amp rigs (like OP) because they only have one leg.
Are you saying that we "don't have a leg to stand on"?
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Old 04-17-2018, 06:36 PM   #35
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carry on all 50a trickery discussion here

http://www.thorforums.com/forums/f10...ion-11712.html
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Old 04-17-2018, 06:54 PM   #36
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Are you saying that we "don't have a leg to stand on"?
You may have no legs to stand on if you use this plug at a miswired RV park!
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Old 04-17-2018, 07:28 PM   #37
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If you have a surge protector/EMS the miswired park pedestal won't be a problem, but without it, well break out the hot dogs & marshmallows.
IMHO the surge protector/EMS should be mandatory, whether 30 or 50 amp portable or hardwired, before plugging your rv into ANY power source.
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Old 04-17-2018, 07:35 PM   #38
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You may have no legs to stand on if you use this plug at a miswired RV park!



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Old 04-18-2018, 12:04 AM   #39
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That adapter looks very interesting and potentially very dangerous to me. How do they insulate the 220V male plug when the 110V male is plugged in or vice versa? Is this a live terminal?
There is NO 220V male plug in that Y adapter...
A 110V 30A male plug and 110V 20A male plug joined to a 220V 50A female plug...

The hot leads are separated - the neutral and ground joined - so never an exposed hot lead.
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Old 04-18-2018, 01:42 AM   #40
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I suppose that if a campground pedestal was wired INCORRECTLY, with hot and neutral reversed on one plug, that this type of adaptor would short circuit. Having said that, I expect the pedestal breakers would protect the adaptor since they should trip instantly. Still, it could get ugly at pedestal.

Beyond that, Iím not sure how using this kind of adaptor could overload a 50-Amp motorhome system. Thatís not to say there are not other potential risks Iím not thinking of.
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