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 > Is 20 amp service enough?

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Mncst

MN

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Posted: 03/05/18 05:40pm Link  |  Quote  |  Print  |  Notify Moderator

We are looking at a campground that offers only 20 amp service. Is this enough to safely run our AC, TV and microwave?

Ranger Smith

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Posted: 03/05/18 05:43pm Link  |  Quote  |  Print  |  Notify Moderator

Maybe not all at the same time. Must be a real old campground


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Posted: 03/05/18 05:44pm Link  |  Quote  |  Print  |  Notify Moderator

Not all at the same time


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DrewE

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Posted: 03/05/18 05:49pm Link  |  Quote  |  Print  |  Notify Moderator

It should be enough to run your AC (and pretty much nothing else) or your microwave (and not much else). I would suggest putting the fridge on propane assuming you have an absorption fridge. It would not be enough to run the AC and the microwave simultaneously, or either one with an electric water heater element or other high-draw appliance.

Televisions these days use not much power at all, so no concerns there...unless it's something unusual like a projector, or a really old TV.





time2roll

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Posted: 03/05/18 05:54pm Link  |  Quote  |  Print  |  Notify Moderator

Have something to monitor voltage stays above 105 in the RV.
Put the fridge and water on propane only.
Let the batteries charge for a couple hours before you try anything big.


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azdryheat

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Posted: 03/05/18 05:59pm Link  |  Quote  |  Print  |  Notify Moderator

Mncst wrote:

We are looking at a campground that offers only 20 amp service. Is this enough to safely run our AC, TV and microwave?
No. Even 30 amps isn't enough for the AC and microwave in some cases.


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Mike LeClair

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Posted: 03/05/18 06:04pm Link  |  Quote  |  Print  |  Notify Moderator

You certainly wouldn't have much fun as you would be continually stressing about power usage and running outside often to reset the breaker on the shore post. It can be done, however, as we did it in our Cougar 318SAB for a one week period. Again, not much fun. Can you get by w/o using the AC?

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Isaac-1

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Posted: 03/05/18 06:09pm Link  |  Quote  |  Print  |  Notify Moderator

As a general rule on 120 volt 20 amp hookup, you can run 1 high draw appliance, along with 1 medium draw appliance, or several small low draw appliances. The Microwave, Air conditioner or electric water heater are all high draw, and draw around 12 amps each while running. The refrigerator is a medium size appliance and draws about 3.5 - 4 amps, battery chargers are medium to high depending on how low your batteries are they will typically draw 4 - 8 amps when charging. LED lights are very low, drawing a small fraction of an amp each, all lights in a typical RV if LED lights will likely add up to under 1 amp. Modern flat panel televisions will draw less than 1/2 an amp, maybe as little as 1/4 amp.

Lwiddis

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Posted: 03/05/18 06:13pm Link  |  Quote  |  Print  |  Notify Moderator

Who’d want to camp without AC, TV and microwave?
My goodness next you’d be talkin’ about internot.


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ScottG

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Posted: 03/05/18 06:40pm Link  |  Quote  |  Print  |  Notify Moderator

The problem I see with those kind of places is that the 20A receptacles are just about always worn out. The connection is so bad that they can't even carry their specified load.


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