What can I run off a 30 amp breaker?

In a typical camper with an electric service of 30 amps some of the household appliances hungry for energy and portable appliances are air conditioning, electric water heater, microwave, coffee maker, electric fryer, hair dryer, space heating and a toaster.Some of the power hungry appliances and portable devices in an RV are the air conditioner, microwave, coffee maker, electric skillet and hair dryer.