What's Inside Your Home's Service Panel?Your home's service panel is the place where the electricity entering the home is distributed throughout the home to switches, outlets, and appliances. The service panel is typically found in the garage or basement.
FusesIf your home was built before 1965, it may still use fuses. In the past, fuses were commonly used in 30 and 60 amp service panels. Today, 100- to 200-amp service panels are needed in order to handle additional loads and properly protect the system from overloading.
When a fuse is blown, it must be unscrewed and thrown away. When replacing fuses in your service panel make sure that the new fuse matches the amperage rating of the circuit.
Never replace a fuse with one that has a larger amperage rating. This can cause electrical system damage and increase the risk of a fire.