What is the purpose of the National Electrical Code's Article 215 regarding feeders?

The National Electrical Code's Article 215 is comprehensive and encompasses several critical aspects related to feeders. One of its primary purposes is to define overcurrent protection requirements. This ensures that circuits are protected from excessive current which can potentially lead to overheating and electrical fires.

Additionally, Article 215 establishes minimum conductor sizes and installation conditions, which are essential for maintaining safety and efficiency in electrical installations. Proper conductor sizing is crucial as it ensures the conductors can safely handle the expected load without overheating or causing damage to the insulation.

Furthermore, while not as directly impactful as overcurrent protection and conductor sizing, the regulation of the color coding of wires is also essential for safety, aiding in the identification of different circuits and reducing the chances of mistakes during installation and maintenance.

Thus, by encompassing regulations related to wire color coding, overcurrent protection, and minimum conductor sizes, Article 215 effectively addresses critical safety and performance issues associated with electrical feeders. This comprehensive approach is why the correct choice recognizes all of these aspects.