AMP

[JOMO]

Does anyone know how many amp's the ac needs to run in an rv. My breaker's at my house are 20 amp breakers and I'm trying to run the ac in my camper and it keeps flipping the breaker. The plug in the garage has other things on it like the lights and fan in the garage but my washing machine has it's on breaker and I'm hoping I can unplug my washer and plug in my camper. I called an electrician to come out but he had to cancel on me and my grandson is coming for a visit so I need to try this solution for this weekend.

[CA_Traveler]

The typical home circuit has multiple 15A plugs on a 20A CB and everything needs to be off except the AC. I'd certainly try the dedicated 20A washer plug.

While 20A should be enough ACs have a start up surge current that can trip the CB.

[JOMO]

Thanks for your replies . Yes, regular house plug where washing machine is plugged into and I do have a fat cord like the one on the rv. I'm still hoping to get an electrician out here to take care of problem the right way but in case I can't get one I was hoping this might work. We won't be using anything in RV except a few led lights and the washing machine has it's on breaker with nothing else on it. My grandson won't be here until next wekend so i will try it out tomorrow. keeping my fingers crossed.

[BFL13]

markchengr wrote:
He said washing machine not dryer.

Oops! --I got caught up in the "electrician to the house" part and what that often leads to. 😞

[tenbear]

20 amps should be plenty. The 20 amp breaker in the house probably feeds several other outlets, make sure the AC is the only load on that breaker. Also make sure no other drains are on in the RV. The converter can draw considerable current if charging a discharged battery, depending on the converter. Another high drain may be the electric water heater.

[markchengr]

He said washing machine not dryer.

[BFL13]

Your trailer should not be plugged into the dryer plug or other stick house 30a plug!!!! Trailer is 120v and house 30s are 240v. Fry the trailer 😞

Your problem now is not the "20a" plugs it is the long run of wire to the trailer making for voltage drop so 125 at the house might be only 105 at the trailer, and the a/c won't run on low voltage. In fact it might be harmed $$$ trying that.

Try it on a less busy house 20a circuit and use fatter wire out to the trailer--12 instead of 14.

[dbbls]

My AC will run on 20 amps so it uses less than that.