A small electric stove uses 1000 watts, and a larger heating element uses up to 3000 watts. A stove does not use all the maximum rated power it uses only because it is heated until the temperature is set.

The maximum charge for a power outlet is 3000 watts (13 amps). It is important to know which electrical equipment can be used safely in an electric adapter.

This 700 W microwave has electronic touch controls with 10 power levels, 6 handy one-touch cooking programs, automatic and hourly defrosting and a digital clock with timer. Sunbeam has the flexibility of weight cooking, weight defrosting and fast defrosting programming.

Look for the voltage and amperage of the refrigerator, for example, see 115 V and 6.5 amplifiers. Multiplying these two numbers you say how much watt use the refrigerator -- in this case, 747.5 watt. smaller refrigerators usually use about 350 watt, while larger models use up to 780 watt.

Fuel oil heaters vary in energy consumption from 300 to 2400 watts, and their length and number of columns are approximately proportional to their degree of power. Fuel oil heaters of 2400 watts usually measure about 1 metre (3.3 feet).