What is the function of a feeder in an electrical system?

The function of a feeder in an electrical system is to provide power between the service equipment and branch circuits. Feeders are critical components as they carry the electrical load from the main service equipment, such as a transformer or service panel, through to various branch circuits that ultimately supply power to individual outlets, lighting, or equipment.

The feeder serves as the intermediary that reduces the voltage and directs power to different areas within a building or facility, ensuring that electricity is delivered where it is needed while maintaining a safe and manageable distribution. This role is essential for ensuring that electrical systems run efficiently and safely, managing the load and minimizing the risk of overloading individual branch circuits.

Other options, while relevant in the context of an electrical system, do not accurately describe the defined role of a feeder. For instance, supplying power directly to the main service equipment or connecting branch circuits to a service panel describes different components or functions within the electrical distribution system. Similarly, while distributing power among circuit breakers is an important aspect of an electrical panel's function, it doesn’t capture the primary purpose of a feeder. Thus, the choice highlighting the feeder's role in bridging the service equipment and branch circuits is the most accurate.