Motorhomes are actually house from your home and as such have actually all of the conveniences you could have in your house. The thing that is great you can easily transport those conveniences to anywhere you need.
Motorhomes do have plug sockets. a engine house includes a mains system that you’d have in your house and a 12-volt system for usage if you are staying away from the mains. The mains system will simply work when you’re connected in with a electric connect.