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03-17-2019, 10:12 PM
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#1
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Member
Join Date: Jun 2017
Posts: 63
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Electrical circuits ran by household 115v
I have a 2018 Coachmen Concord 300TS. What all can I run when I use a 30 amp to 115v household adapter? I know I cannot run the ac & the microwave. Can I operate all lights, propane heat, fridge? How about the tv? etc
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03-17-2019, 10:44 PM
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#2
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Senior Member
Join Date: Jun 2016
Posts: 5,033
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For accuracy, your 30 amp trailer runs on 115 volts. I think you are asking about using a 30 to 15 AMP adapter.
You will be able to run anything on your trailer as long as the total amp draw is under 15 amps. You should be able to run the AC - but nothing else at the same time. Same with the microwave.
It is also possible that you are plugging into a 20 amp circuit, then your limit is 20 amps in total.
One thing to remember - when you first plug in, if you have been running stuff on the battery, your converter will be trying to charge the battery and this can be a significant draw. After a half hour or so, the battery charge draw will decrease, eventually getting very low.
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I am starting to think, that I will never be old enough--------to know better.
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S.E. Mich. Flagstaff 26FKWS / 2022 F-150 3.5 EcoBoost SCrew Propride
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03-17-2019, 11:52 PM
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#3
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Senior Member
Join Date: Apr 2016
Location: Port Charlotte Fl/Hinsdale Ma
Posts: 4,823
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Quote:
Originally Posted by chief5631
I have a 2018 Coachmen Concord 300TS. What all can I run when I use a 30 amp to 115v household adapter? I know I cannot run the ac & the microwave. Can I operate all lights, propane heat, fridge? How about the tv? etc
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You need to slow down and think. Why would you ask about running the propane heat?? it does not use 120 volts. it uses propane!!!
Lights are 12 volts. So again, why ask about them? There is a minimal load from the converter when using the 12 volt lights but not all the time. Figure out what you want to use, add up the wattage used by each item and keep the load below 15 amps. (Do a wattage to amps google search) And yes you could use the A/C an a couple of lights and a tv but not much else. Put the WH on gas. Put the fridge on gas. it trial and error. you will learn.
Your 30 amp unit is 120 volts not 115. what is really there is between 122 and 127. A 50 amp unit is 240 volts. We use amperage adaptors not voltage adaptors.
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03-18-2019, 01:31 AM
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#4
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Senior Member
Join Date: Mar 2014
Location: Mountain Foothills of Southern Alberta
Posts: 1,973
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" Why would you ask..."
Maybe because he has never owned an RV before and does not know the ins and outs of the electrical system.
We were all newbies at one time and needed to ask questions.
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Boon Docking 99% of the time.
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03-18-2019, 05:31 AM
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#5
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Senior Member
Join Date: May 2017
Posts: 5,712
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Running the AC off a 15A is questionable. As AC can pull as much as 14-15A at startup. Both my old and new TT, they would run some times, but any little fluctuation in the amps and the breaker would trip. I wired a 30A in my garage so now I can run the AC and some other things while it's sitting in the driveway.
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03-18-2019, 07:57 AM
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#6
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Senior Member
Join Date: Jun 2015
Location: Payson, AZ
Posts: 3,859
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somehow this question interested me so i thought i'd do a bit of research. i went to our circuit breaker panel to see what size beakers we had. i found four that were 20 amp breakers (2 a/c's, fireplace, and combo microwave / convection oven). while these might work individually on a 15 amp feed they might not. all of the other 120vac stuff was on 10 or 15 amp breakers so you could assume that any of them would run independently. it would be the combination of things running at the same time that might overload the circuit breaker that protects the power source you would plug into. the breakers in the rv are not going to trip.
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03-18-2019, 08:06 AM
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#7
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Site Team
Join Date: Oct 2014
Posts: 15,243
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Don't for get the current draw on the converter. If the battery is low and there is one or more high current 12V appliances ( ie furnace) running the converter will present a several amp load on the AC line.
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03-18-2019, 08:10 AM
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#8
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Site Team
Join Date: Nov 2010
Location: Northeast Louisiana
Posts: 33,695
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Quote:
Originally Posted by chief5631
I have a 2018 Coachmen Concord 300TS. What all can I run when I use a 30 amp to 115v household adapter? I know I cannot run the ac & the microwave. Can I operate all lights, propane heat, fridge? How about the tv? etc
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Howdy chief5631. We keep some links that help explain RV electrical systems in this thread link below....as that is often one of the more confused RV things. Hope this helps after reading the links there, and feel free to ask any questions you may have. That's what we are all here for, to learn.
http://www.forestriverforums.com/for...ts-157524.html
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2011 Flagstaff 831 RLBSS
A 72 hour hold in a psych unit is beginning to intrigue me as a potential vacation opportunity.
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03-18-2019, 08:15 AM
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#9
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Senior Member
Join Date: Jun 2018
Location: Southern Illissouri
Posts: 922
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Quote:
Originally Posted by cavie
Why would you ask about running the propane heat?? it does not use 120 volts. it uses propane!!!
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Running Propane heat is just fine if you're plugged into a 15A circuit. The blower in the furnace runs off of 12VDC, so the power for the furnace will come from the converter if you're plugged in, or from your house battery if you're dry (not plugged in at all, battery only.) The only electric load from the furnace is the electric spark ignition unit and the blower motor, both of which are light loads. So propane heat is OK to use as well, it is a pretty light electrical load.
Don't pay too much attention to a few of these jokers around here, they seem to have forgotten that they were new once too, and they think they know everything, and their way is the ONLY way.
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Brian & Becky
2018 Avenger ATI 27RBS
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03-18-2019, 01:36 PM
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#10
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Senior Member
Join Date: Jan 2013
Location: Charlotte, NC
Posts: 144
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Quote:
Originally Posted by cavie
Your 30 amp unit is 120 volts not 115. what is really there is between 122 and 127. A 50 amp unit is 240 volts. We use amperage adaptors not voltage adaptors.::
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Cavie...I know from previous posts you really know your stuff on this topic, but perhaps for the sake of a newbie you should clarify that nothing inside the RV actually runs on 240 volts (except maybe a hard-wired air conditioner or clothes dryer). The 240 volts is at the pedestal, where it is split into two 50-amp 120 volt legs. He should not be able to plug in anything anywhere in the RV and get 240 volts. Correct?
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03-18-2019, 02:38 PM
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#11
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Senior Member
Join Date: Nov 2015
Location: Carlyss, Louisiana
Posts: 520
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RVBuff your correct about the 240 volts. I have a 30 Amp 5th wheel that is plugged into a pedestal that is wired 240 volts, but by using a adapter that splits the voltage, I have 50 amp 120 volts going to our trailer. I had the pedestal wired that way in case I ever upgraded to a unit that is 50 amp.
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03-18-2019, 03:01 PM
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#12
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Senior Member
Join Date: Mar 2012
Posts: 799
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I have heard that some higher end RVs may have a clothes dryer or one other device that may actually be 240 volts. But 99% of the RVs out there do not come with any 240 volt appliances.
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DYNAMAX 2016 FORCE HD
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03-18-2019, 08:07 PM
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#13
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Senior Member
Join Date: Apr 2016
Location: Port Charlotte Fl/Hinsdale Ma
Posts: 4,823
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Quote:
Originally Posted by RVBuff
Cavie...I know from previous posts you really know your stuff on this topic, but perhaps for the sake of a newbie you should clarify that nothing inside the RV actually runs on 240 volts (except maybe a hard-wired air conditioner or clothes dryer). The 240 volts is at the pedestal, where it is split into two 50-amp 120 volt legs. He should not be able to plug in anything anywhere in the RV and get 240 volts. Correct?
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I usually include that statement in all my post. My bad.!
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03-18-2019, 08:17 PM
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#14
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Senior Member
Join Date: Apr 2016
Location: Port Charlotte Fl/Hinsdale Ma
Posts: 4,823
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Quote:
Originally Posted by boondocking
" Why would you ask..."
Maybe because he has never owned an RV before and does not know the ins and outs of the electrical system.
We were all newbies at one time and needed to ask questions.
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Common sense tells me Electric and Propane are two different systems. Guess I'm from a different generation.
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03-18-2019, 08:45 PM
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#15
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Senior Member
Join Date: Apr 2016
Location: Port Charlotte Fl/Hinsdale Ma
Posts: 4,823
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Quote:
Originally Posted by RVBuff
Cavie...I know from previous posts you really know your stuff on this topic, but perhaps for the sake of a newbie you should clarify that nothing inside the RV actually runs on 240 volts (except maybe a hard-wired air conditioner or clothes dryer). The 240 volts is at the pedestal, where it is split into two 50-amp 120 volt legs. He should not be able to plug in anything anywhere in the RV and get 240 volts. Correct?
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This is exactly like the 200 amp service to a house. Two 200 amp 120 volt legs to the electric panel. L1 and L2 out of phase with each other. No Electrician in his lifetime ever said 400 amps available as I read on RV forums. At least not the ones I hung around with for 50 years.
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03-18-2019, 09:05 PM
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#16
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Senior Member
Join Date: Sep 2012
Location: Virginia
Posts: 9,679
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Quote:
Originally Posted by wmtire
Howdy chief5631. We keep some links that help explain RV electrical systems in this thread link below....as that is often one of the more confused RV things. Hope this helps after reading the links there, and feel free to ask any questions you may have. That's what we are all here for, to learn.
http://www.forestriverforums.com/for...ts-157524.html
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^^^^^^^^^^^^^^^^ What he said click on his link.....
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03-18-2019, 09:39 PM
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#17
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Member
Join Date: Jun 2017
Posts: 63
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Thanks for that, was wondering why I was being shamed lol
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03-18-2019, 09:44 PM
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#18
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Member
Join Date: Jun 2017
Posts: 63
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Thanks to the many responses on this topic. I appreciate every one taking the time to explain and stick up for this newbie lol.
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03-18-2019, 10:14 PM
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#19
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Senior Member
Join Date: Feb 2016
Posts: 537
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Welcome! If you're plugged in to a 15 amp outlet with an adapter, With the possible exception of the air conditioner, you should be able to use everything in the trailer, including the microwave. All of the lights, the refrigerator, furnace, and radio work off of 12v DC and will either work with the battery if it's charged or with the converter when plugged into your shore power whether it's a 30 amp pole at the campground or your 15 amp outlet with your adapter. Without the trailer plugged in, the battery will run everything but the Air conditioner, TV, Microwave, and the 110v electric outlets.
I keep my trailer plugged into a 15amp outlet at home from the first trip of the year to the last with the fridge on and sometimes go out there to watch TV. The only thing I don't use is the air conditioner, although I did try it one time. I do use the microwave all the time when plugged in at home.
Ray
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03-18-2019, 11:24 PM
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#20
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Senior Member
Join Date: Apr 2016
Location: Port Charlotte Fl/Hinsdale Ma
Posts: 4,823
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Quote:
Originally Posted by CHICKDOE
somehow this question interested me so i thought i'd do a bit of research. i went to our circuit breaker panel to see what size beakers we had. i found four that were 20 amp breakers (2 a/c's, fireplace, and combo microwave / convection oven). while these might work individually on a 15 amp feed they might not. all of the other 120vac stuff was on 10 or 15 amp breakers so you could assume that any of them would run independently. it would be the combination of things running at the same time that might overload the circuit breaker that protects the power source you would plug into. the breakers in the rv are not going to trip.
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Just curious. What brand? I've never seen a 10 amp.
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