Our trailer is 30Amp. We do not have a dish washer (other than me) or a clothes washer/dryer so I can not speak to those appliances. The big draws are the converter/charger (really the charger as far as I can determine), air conditioner, microwave, electric water heater, electric heaters, and other heating elements like a hair dryer, toaster or toaster oven. There can be some differences in how 30Amp coaches are wired. Our previous trailer had all the 120V outlets on one 15Amp circuit which was