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Tall-Pines 05-31-2012 01:01 PM

My electrician friend is going to upgrade my fuse panel in the house to a breaker panel.
I asked him to install a 50A circuit for the trailer and he said that it would be much easier to install a 40A breaker and wiring (same as one would install for a stove).
What would be the limitations of installing such a circuit rather than a 50A one?


COLJDM 05-31-2012 03:10 PM

I had an electrician install a 50 amp circuit and run a line to the front yard and install a 50 amp recptacle. I have sufficient 50 amp lines (2 ea) in my Redwood to reach 50+ feet if necessary. It works great, I can run all ACs and everything else with no issues or worries.

KWire 05-31-2012 04:25 PM


Originally Posted by Tall-Pines
What would be the limitations of installing such a circuit rather than a 50A one?

You might not be able to run both Air Conditioners, but everything else should work.

You said "electrician friend" so it is hard to tell what experience he has... if he hasn't done an RV wiring you want to make sure he does NOT wire it like he hooks a stove!!! Stoves run on 220V and for the RV you need two legs of 120V.

For what it's worth all the stoves we installed took 50A of 220V, so it kind of makes me wonder how much experience he has. He may be fine, I would just hate to see someone make a mistake like that.


TravelinAnderson 05-31-2012 08:52 PM

I think what your electrician friend is saying is that it's easier and cheaper to simply add a 40 amp breaker ( dual 20 amp) to your existing breaker panel and run the wires to a receptacle. Otherwise he may want to install a 50 amp sub-panel and then run the wiring.
Like Kwire said, with 40A you should be able to run just about everything but I wouldn't try running both ACs while brewing coffee and microwaving a McMuffin.

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