What type of circuit limits restoration capabilities from alternate sources?

A radial circuit is characterized by a configuration where power flows from a single source to various loads, creating a one-way path for the electricity. This design inherently limits the capability of restoring power from alternate sources. If an outage occurs or if maintenance is needed, the entire circuit can be rendered inoperative since there isn’t an alternative path for power to reach the loads.

This contrasts with other circuit types. For example, network circuits often have multiple pathways and interconnected nodes that enhance redundancy and reliability. Radial tie circuits incorporate some level of interconnection between radials, thus allowing for partial restoration from alternate sources. Parallel circuits also provide pathways for power delivery that can share the load and support restoration more effectively.

In essence, the radial circuit's structure limits the ability to reroute power, making it the correct choice when discussing the limitations on restoration capabilities from alternate sources.