A 30 amp plug has three prongs – a 120 volt hot wire, a neutral wire and a ground wire – and is generally used on RVs with lower load requirements. A 50 amp plug has four prongs – two 120 volt hot wires, a neutral wire and a ground wire – that supply two separate 50 amp, 120 volt feeds.

Can you plug a 50 amp into a 30 amp outlet?

Yes! With an adapter, you can plug a 50-amp RV cord into a 30-amp power pedestal at a campground. The female end of the adapter will plug into your RV cord, and the male end will plug into the power pedestal.

How do you know if your trailer is 30 or 50 amp?

3:024:46RV 101® - RV Education - 30 Amp RV vs 50 Amp RV - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe answer is no your RV is still a 30 amp service you are simply using an adapter. So your 30 amp 3MoreThe answer is no your RV is still a 30 amp service you are simply using an adapter. So your 30 amp 3 prong plug can plug into a 50 amp 4 prong plug.