Usually Two prong plugs |
Usually Three prong plugs |
| lamps | refrigerators, freezers |
| stereos | computers |
| household vacuums | exercise treadmills |
| dry vacuums | wet or wet/dry vacs |
| toasters | certain space heaters |
| certain power tools | |
| clothes washers and dryers | |
| other appliances that use a lot of electricity or pose special electrical threats |