To add a breaker switch, follow these steps: 1. Turn off the main power: Locate the main circuit breaker panel and switch off the main circuit breaker to ensure safety while working. 2. Remove the ...

If you have an older panel that has fuses instead of breakers, or if the circuit breaker panel is already full, an electrician can add a subpanel to handle the extra 240-volt circuit.

For example: – For a 15A breaker with a 120V circuit: 15 x 120 = 1,800 watts – For a 20A breaker with a 240V circuit: 20 x 240 = 4,800 watts Step 3: Calculate Total Wattage Now that you have ...

It can be difficult to determine if you've got a bad circuit breaker. There are steps you can take before deciding to repair, replace, or call an electrician.

We asked an expert to explain all the problems that can cause tripped circuits, how to check your circuit breaker, and when to call a professional.