Go Back   iRV2 Forums > MOTORHOME FORUMS > MH-General Discussions & Problems
Join iRV2 Today

Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts.
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on iRV2
Thread Tools Search this Thread Display Modes
Old 03-04-2013, 05:32 PM   #1
Junior Member
Join Date: Apr 2012
Posts: 10
change Electrical from 30 to 50 Amp service

It is possible to change out a 30 amp system to a 50 amp system. Is the cost worth it ?

Dorsal is offline   Reply With Quote
Join the #1 RV Forum Today - It's Totally Free!

iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? Do you need advice on what products to buy? Or maybe you can give others some advice? No matter where you fit in you'll find that iRV2 is a great community to join. Best of all it's totally FREE!

You are currently viewing our boards as a guest so you have limited access to our community. Please take the time to register and you will gain a lot of great new features including; the ability to participate in discussions, network with other RV owners, see fewer ads, upload photographs, create an RV blog, send private messages and so much, much more!

Old 03-04-2013, 05:48 PM   #2
Senior Member
Country Coach Owners Club
Retired Fire Service RVer's
Join Date: Feb 2013
Location: Ocala, Florida
Posts: 6,295
Welcome and glad to meet you!

I have to believe that would be an expensive proposition. Generally unless you have an all electric coach 30 A is plenty. The entire system is fused for 30 A, is wired for 30 A. The size of the wiring is commensurate with the rated current. 30 A will use smaller gauge wiring and all this would most likely have to be changed out. Otherwise you are looking at severe fire hazard. Just like in a house, you should never put a 20 A fuse in a circuit rated at 15 A. Severe fire hazard. 15 A uses 14 gauge wire, 20 A uses 12 gauge wire. Same in the coach. Plus we're talking much higher currents, similar to an electric stove in your house.

FMCA #F431170, GS #822128658, Escapees SKP #112655
2012 Airstream Mercedes Interstate Class B
Medico is offline   Reply With Quote
Old 03-04-2013, 05:57 PM   #3
Senior Member
Frutza's Avatar
Gulf Streamers Club
Freightliner Owners Club
Join Date: Dec 2011
Location: Crown Point, In
Posts: 244
Why would you want or need the change? Do you have a generator or an Inverter? Are you adding a 2nd ac unit? Basically you need to change the breaker box to a 220 unit and the line cord, now thats just the basics, It will be more entailed depending on what you have and dont have
Mike & Becky
2005 Gulfstream Crescendo 8356
Frutza is offline   Reply With Quote
Old 03-04-2013, 06:28 PM   #4
Senior Member
Join Date: Apr 2012
Posts: 1,493
Are you refering to changing your RV wiring from 30A to 50A service?

From my perspective, this would be a major undertaking to say the least.

You would need to change the power distribution panel, power transfer switch and all the associated wiring. Then to take advantage of the 100A now available, you would need to rewire the house AC wiring side of the AC distribution panel to the new AC circuits.

Is there a particular reason you want to do this?

A major change such as this would likely invalidate any RIVA and other safety standard certifications.

Would be interested to hear from anyone who has done this?
Libero is online now   Reply With Quote
Old 03-04-2013, 08:09 PM   #5
Senior Member
Heater's Avatar
Join Date: Aug 2011
Posts: 162
I assume your discovery has the power management system? Do you wish to change to a 50 amp in order to run both ac's at the same time while on shore power? If so have you thought about just wiring the rear AC to be powered by a second 20 park outlet? If not and you want to do a full switchover camping world or an equal service department can do it for around &1000.00.
Heater is offline   Reply With Quote
Old 03-05-2013, 07:05 AM   #6
Senior Member
Wizard's Avatar

Winnebago Owners Club
Freightliner Owners Club
Join Date: Mar 2007
Location: Home on the hill in Georgia
Posts: 2,334
Depends an awful lot on the coach. On my Journey, 50 amp was an option that was not ordered. I only had to change some wiring and breakers. Not a big deal, cost about $100 and took less than 8 hours. Now I can run both ac, microwave, water heater, fridge and washer dryer at the same time, wow.
Jerry & Patsy Potter, Taz & Jake Jr.
2000 Winnebago Journey
2006 Ford Explorer 4X4
Wizard is offline   Reply With Quote
Old 03-06-2013, 09:16 AM   #7
Moderator Emeritus
Gary RVRoamer's Avatar

Fleetwood Owners Club
Freightliner Owners Club
Join Date: Jan 2000
Location: Silver Springs, FL. USA
Posts: 16,418
As Wizard says, it depends on what you now have. Some coaches need little more than a new shore cord, while others may need a major rewiring job.

Whether it is worth it depends on your power needs. If you have only one a/c, and a modest size fridge and water heater, the existing 30A supply is probably adequate anyway. But if you routinely need to operate more appliances on electric, then maybe it is worthwhile. Assuming the campgrounds you frequent actually offer 50A service.
Gary Brinck
2004 American Tradition; 2014 Buick LaCRosse
Homebase in the Ocala Nat'l Forest near Ocala, FL
Gary RVRoamer is offline   Reply With Quote
Old 03-06-2013, 11:34 AM   #8
Senior Member
dabrooks's Avatar
Tiffin Owners Club
Join Date: Sep 2012
Location: Maryland
Posts: 799
Another thing to consider is your generator. It may only good for 30amps.

dabrooks is offline   Reply With Quote

electrical, service

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

» Virginia Campgrounds

Reviews provided by

Our Communities

Our communities encompass many different hobbies and interests, but each one is built on friendly, intelligent membership.

» More about our Communities

Automotive Communities

Our Automotive communities encompass many different makes and models. From U.S. domestics to European Saloons.

» More about our Automotive Communities

Marine Communities

Our Marine websites focus on Cruising and Sailing Vessels, including forums and the largest cruising Wiki project on the web today.

» More about our Marine Communities

Copyright 2002-2015 Social Knowledge, LLC All Rights Reserved.

All times are GMT -6. The time now is 10:40 PM.

Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2016, vBulletin Solutions, Inc.