To determine the total amps needed for a circuit with a toaster oven and a microwave, you need to know the power ratings of both appliances. The power rating is usually measured in watts (W). Once you have the power ratings in watts for each appliance, you can calculate the total amps required for the circuit using the formula:
Total Amps = (Total Watts) / (Voltage)
Standard household circuits in many countries, including the US, typically provide 120 volts of electricity. However, in some regions, the voltage might be 110V or 220V. To calculate the total amps needed, you'll need to know the voltage specific to your location.
Let's assume both the toaster oven and the microwave are rated in watts and the voltage is 120V:
Look up the power ratings of the toaster oven and the microwave. For example:
- Toaster Oven: 1200 watts
- Microwave: 800 watts
Add up the power ratings to get the total watts: Total Watts = 1200 + 800 = 2000 watts
Calculate the total amps: Total Amps = 2000 watts / 120 volts = 16.67 amps
In this example, you would need a circuit with a capacity of at least 16.67 amps to safely power both the toaster oven and the microwave simultaneously. In practical terms, you would want to use a circuit with a higher amp capacity, such as a 20-amp circuit, to provide some safety margin and avoid overloading the circuit.