Which of the following is a major function of the main service panel?

The main service panel plays a critical role in residential electrical systems primarily by distributing electricity throughout the building. It acts as the central hub where the electrical power from the utility company enters the home. Once the power reaches the main service panel, it is then routed to different circuits that supply electricity to various areas and devices within the home, such as lighting, outlets, and appliances.

This distribution function is essential for the safe and efficient operation of the electrical system, allowing homeowners to access the energy they need in different parts of their residence. Additionally, the main service panel includes circuit breakers or fuses that provide protection by interrupting the flow of electricity if an overload or fault occurs, enhancing safety.

Other options refer to activities beyond the scope of the main service panel. For instance, storing excess electricity is not a function of the service panel; rather, it is managed through battery storage systems or other energy storage solutions. Converting solar power involves a different system component, typically involving inverters that change the direct current (DC) output of solar panels into alternating current (AC) used in homes. Managing electrical waste is also not a function associated with the main service panel but rather relates to responsible disposal and recycling of electrical equipment and materials.