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 I plug my 30 amp RV into a 50 amp?

Can I Plug My 30-Amp RV Cord into a 50-Amp Power Pedestal? Yes! You can plug a 30-amp RV cord into a 50-amp power receptacle, such as a power pedestal at a campground, by using an adapter. The female end of the adapter will plug into your RV cord, and the male end will plug into the power pedestal.