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Old 03-26-2014, 09:09 PM   #1
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maximum wattage for Rockwood Mini Lite duplex outlets

I'm a newbie, first time owner of an RV, in my case a 2014 Rockwood Mini Lite 1901. I just brought it home. I haven't found in the Rockwood owner's manual an answer to my question . . . what is the recommended maximum wattage of any electrical device plugged into one of the three duplex outlets in the 1901 when operating off the 30 amp exterior power source?

I'm no electrical whiz, but I looked at conversion tables online. With 110 Volts and 30 amps input, the 1901's system is theoretically capable of handling 3300 watts. But what is the recommended practical limit?

Computers, printers don't have much of a draw, but hair dryers, electric skillets, and the like, are a different matter. That's where my question comes from.

Any help, advice would be welcome!
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Old 03-26-2014, 09:18 PM   #2
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I'm guessing you will throw a breaker at about 28 watts.
AC,electric WH and microwave will usually overload it.(keep in mind what runs in the background like the converter and your refrig. if on elec.)
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Old 03-26-2014, 09:27 PM   #3
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maxv, welcome to the forum and welcome to the world of Mini Lites! Come back here often, lots to learn.
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Old 03-27-2014, 02:05 PM   #4
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I'm guessing you will throw a breaker at about 28 watts.
AC,electric WH and microwave will usually overload it.(keep in mind what runs in the background like the converter and your refrig. if on elec.)
Thanks Bob. I hope you mean that I'd trip a breaker if the AC, electric WH and microwave were all operating at once.
28 watts doesn't sound like much. I've got a standard 3/8" plug-in drill that draws 3.3 amps which, operating on a 110 circuit, uses 363 watts!
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Old 03-27-2014, 02:16 PM   #5
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Just look at the breaker for that outlet. Likely it's gonna be 15 amps. For that circuit, its going to be maxed out at that. I'm not sure why you're looking for individual outlet wattage. Most commercially made devices for the home consumer will have a 15a plug. Are you looking to power something unique?

Basically add up your parasitic current draw (water heater, converter, fridge element, etc) subtract that from 30amps (3600 watts) and that's about what you have to use.

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Old 03-27-2014, 02:19 PM   #6
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maximum wattage for Rockwood Mini Lite duplex outlets

Think he meant 28 amps. Yes, the A/C, H/W and microwave is too much. My rule of thumb is run H/W on gas if A/C is operating. In my trailer:
Fridg 5 amps
A/C 13 amps
Microwave 10 amps
Elect H/W 11 amps
Converter 4 amps

Any one circuit shouldn't exceed 15 amps. Be careful with the hair dryer when running the A/C as well. My wife always asks me first if it is OK to use the hair dryer.
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Old 03-27-2014, 02:25 PM   #7
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Heres all your numbers.
normal appliance amp draws

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Old 03-27-2014, 03:23 PM   #8
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Yes sorry...meant to say amps.
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Old 03-27-2014, 07:43 PM   #9
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Thanks!!

Thank you all. The replies I've received are most helpful. I wasn't thinking of any exotic appliance. The hair dryer and electric skillet were the ones that raised the question for me, knowing that both pull some juice.

As I said, I'm brand new to RV'ing and to this forum, but am looking forward to both. One of these days I'll be able to answer questions, you betcha. Thanks again.
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Old 03-27-2014, 08:05 PM   #10
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you'll learn how much you can get away with running. Part of the learning curve. Not worth wasting time doing math. Just try it and see what you can get away with. Worst you can do is have to reset a breaker. That's what they are designed for.
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