Which section of the NEC places limits on maximum circuit load based on the size of the conductors?

The choice indicating that the section of the National Electrical Code (NEC) placing limits on maximum circuit load based on conductor size is correct because NEC 310.15(B)(1) specifies the allowable ampacities of conductors based on their size and insulation type under various conditions. This section outlines the maximum current-carrying capacity for conductors that must not be exceeded to ensure safety and prevent overheating.

By following these guidelines, electrical professionals can determine the appropriate conductor size that matches the load requirements of a circuit, thereby maintaining electrical system safety and efficiency. The requirements presented in this section are crucial when selecting conductors for circuits, as they directly influence the system's performance and safety protocols.