A fuse link will melt and interrupt the flow of current to the appliance before it can get high enough to damage the appliance or wiring.

No, the applied 110 volt is too high for a 3 volt appliance. The appliance would burn out right away.

Sears probably has the largest inventory of appliance parts in the country. But their prices are usually high.

Toasters comes in many price ranges. Low end models can be found at box retailers. To find a toaster that has more quality visit a higher-end department store or a high-end appliance store.

Indesit is a high-end brand of home appliance, including washing machines. Depending on the model desired, they can range in price from 189 to 299.99 British pounds.