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Old 07-29-2016, 12:13 PM   #1
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50 amp versus 30 amp

Hopefully this won't be a "real" dumb question. We recently purchased a Rockwood 8328BS with 2 a/c's and 50 amp service. If we are staying where only 30 amp is available can we still run everything, including both a/c's or will we need to run 1 a/c at a time all the while keeping the water heater on gas and not electric.
Thanks in advance!
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Old 07-29-2016, 01:55 PM   #2
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You will only be able to run 1 a/c. Some say you can do both and nothing else, but with the questionable quality of campground electrical pedistals, I highly advise against it.

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Old 07-29-2016, 02:04 PM   #3
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Only one A/C and be mindful of what else. (depending on what all you are trying to power up)
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Old 07-29-2016, 02:05 PM   #4
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1 A/C and you will probably have to shut that down to use microwave
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Old 07-29-2016, 02:28 PM   #5
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If you’re limited to 30 amps use one A/C and be sure to use your water heater on propane. You shouldn’t have any problems using the microwave and other appliances. Just watch how many you use simultaneously.
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Old 07-29-2016, 02:46 PM   #6
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Only one AC, like other have said, but you should have no problems with running anything else. My other unit had 30 amp and could run 15k AC, wh, refer, and microwave with no issues.


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Old 07-30-2016, 12:10 PM   #7
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As said, 1 a/c and don't run your electric water heater. See attached Amp chart.
Attached Files
File Type: docx AMP Draws.docx (11.4 KB, 172 views)
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Old 07-30-2016, 12:33 PM   #8
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Originally Posted by R3Jones View Post
Only one AC, like other have said, but you should have no problems with running anything else. My other unit had 30 amp and could run 15k AC, wh, refer, and microwave with no issues.

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R. Jones speaks for me. When we have our 50a Wildcat on 30a, we run 1 A/C at a time but don't change any other thing... meaning we leave water heater on electricity and use the μ-wave whenever we want.
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Old 07-30-2016, 12:50 PM   #9
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R. Jones speaks for me. When we have our 50a Wildcat on 30a, we run 1 A/C at a time but don't change any other thing... meaning we leave water heater on electricity and use the μ-wave whenever we want.

Same thing with my new 50 amp XLR on 30 amp service too


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Old 07-30-2016, 06:01 PM   #10
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Thanks to TomRobb1161 for posting current draw for various appliances and devices. Those are helpful. I think that on the load list, the 12k btu AC (about 3,500 watt) is listed as drawing 15 amps.

However, I am thinking that 15 amps would be the correct load draw at 220v, but that at 120v the draw would be 30 amps for a 12K btu unit, and about 37 amps for a 15k btu (about 4,400 watt) unit.

Our Wildwood TL is equipped with a 12k btu unit, so we have (2) 2000 watt generator/inverters capable of operating in tandem to adequately and safely provide the 3,500 watts we need for our AC and other loads. These two generator/inverters are quiet and light, only about 43# apiece. These are the Yamaha EF2000iSv2 which provide pure sine wave current and voltage, the equivalent quality of commercial power.
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