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> 50amp Vs 30amp
coacbcps
post Jun 3 2009, 09:45 AM
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[font=Comic Sans Ms]Hi everyone! I just talked my husband into buying a popup tent. We're brand spanking new to camping but I think my two girls will love it. Can anyone tell me what's the difference between 50amps vs 30amps (besides 20amps biggrin.gif )? Which is better any why?
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post Aug 22 2009, 01:37 PM
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As an electrician, I will tell you that it isn't technically difficult to do, but you do need to know what you are doing. Bob Hatch, mentioned above is the only amateur who's work I have seen that I would allow in any RV that I owned. Just what it will take depends to a great extent upon just how your present RV is wired. If you don't already have things separated out into separate circuits, then you would need a complete rewire in order to gain much from the added power, other than perhaps the ability to use two air conditioners at one time.

In my 50A RV, there are four separate circuits to supply the 120V outlets in the RV. One covers the microwave, one supplies the 120V/12V converter, one supplies all outlets in the kitchen & living area of the RV and one supplies the bedroom, bath, refrigerator and outside outlet. So that makes four 15A circuit breakers. There are also two 20A breakers, each one supplying one air conditioner.

Many 30A RVs have only one circuit to supply all outlets, one to supply the microwave and other appliances and one, or two for the air conditioners if you have two. In order to get full benefit from the 50A supply you would need to separate the outlets into more than one circuit or the single 15A circuit breaker would prevent any benefit from the added power supply. You can't just install a larger circuit breaker with the same configuration because the wire size is not large enough to send more than the rated 15A through it without danger of a fire.

In addition, you will need to have a 120V distribution box that has two separated bus bars for the circuit breakers, since you will then be connected to two separate power supplies that are 180 degrees out of phase from each other. This is not a job for the typical amateur as any mistakes can destroy the equipment you connect to it and it has been known to cause a fire. The Insurance Institute of America says that tampering with electrical circuits is the #1 cause of RV fires in this country. And this type of mistake has been known to kill people from electrical shock as well. It don't take a great deal for you to have supplied 240V power to your 120V appliances.

This is, or can be a major undertaking that has very serious penalties for those who make mistakes.


--------------------
Good travelin !..............Kirk
Professional Volunteer
URL: www.adventure.1tree.net
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coacbcps   50amp Vs 30amp   Jun 3 2009, 09:45 AM
John Blue   In a pop up you will have 30 amps only. You need ...   Jun 3 2009, 06:53 PM
Denali   30 amp service supplies a total of 30 amps of 120 ...   Jun 4 2009, 11:01 AM
Texasrvers   John and Denali have given very good (albeit somew...   Jun 4 2009, 02:13 PM
westernrvparkowner   There is no difference between the the actual elec...   Jun 4 2009, 09:55 PM
coacbcps   Thanks everyone for the information, both technica...   Jun 5 2009, 07:50 AM
tompegm   I don't even know if anyone will read this it...   Aug 17 2009, 10:30 PM
pianotuna   Hi, I'd suggest looking at "load shedder...   Aug 18 2009, 12:55 AM
Denali   I don't even know if anyone will read this it...   Aug 18 2009, 02:34 PM
RLM   coachcps> The advise about getting plug adapter...   Jan 6 2010, 10:12 AM
cruzncajn   There is no difference between the the actual ele...   Dec 30 2009, 10:42 PM
cruzncajn   There is no difference between the the actual ele...   Dec 30 2009, 10:56 PM
Kirk   As an electrician, I will tell you that it isn...   Aug 22 2009, 01:37 PM
Galli   [font=Comic Sans Ms]Hi everyone! I just talke...   Jan 5 2010, 10:46 PM
pianotuna   Hi Galli, I also have a 30 amp service. What I di...   Jan 6 2010, 01:07 AM
popup   One note of caution. Consumer and standard Commerc...   Jan 6 2010, 11:55 AM
John Blue   popup, Good information and most people do not un...   Jan 8 2010, 09:40 PM
archbarb   This probably has nothing to do with the question ...   Jan 21 2010, 06:21 AM
Galli   This probably has nothing to do with the question...   Jan 21 2010, 09:34 AM


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