You can generally expect a power distribution box to last anywhere between 8 to 15 years, depending on the application it's being used for, the environment it's operating in, and how frequently it's serviced. Rubber boxes which spend their lives indoors are much more likely to have a longer. Your distribution board, also known as a fuse box or electrical panel, is the heart of your home's electrical system. It distributes electricity from the main supply to various circuits throughout your home, ensuring that your appliances and devices function safely and efficiently. A home's electrical panel —often called a breaker box, distribution board, load center, or service panel—is the central hub that.