Here is a table that summarizes the voltage requirements for common household appliances and devices:
| Appliance/Device | Voltage |
|---|---|
| Air conditioner | 240 volts |
| Clothes dryer | 240 volts |
| Dishwasher | 120 volts |
| Electric oven | 240 volts |
| Microwave oven | 120 volts |
| Refrigerator | 120 volts |
| Washing machine | 120 volts |
If you are not sure what voltage your appliance or device requires, you can check the owner's manual or the label on the appliance or device.