Total wattage = 12,500 watts Divide the total wattage by your home's voltage (usually 240V for most systems) to get the required amperage: 12,500 watts ÷ 240 volts = 52 amps However, electrical systems are typically designed with a safety margin. An electrical panel, also known as a breaker box or distribution board, is the central hub of your home's electrical system. Each circuit powers specific areas or appliances. Electricity is carried from the transmission system to individual consumers. Think of them as traffic controllers for power—they direct energy where it needs to go while protecting against overloads or. There are many different sizes of electrical panel, and choosing the right size for your box is not something to be taken lightly.
[PDF Version]