Square-D HOM2040M100PC Homeline™ Main Breaker Installed Load Center, 100AThis is the service entrance panel which is connected to the electrical meter and distributes electricity throughout the home. Each is equipped with a factory installed main circuit breaker, which serves as the main disconnect to turn off power to the entire home, as well as to protect the load center from an overload or short circuit. 100A Plug on neutral Combination cover for flush or surface mount 20 space circuit 40 single poles. WARNING: This