Which table in the NEC® provides the minimum wire sizes based on branch circuit rating?

The correct choice is the table that specifies the minimum wire sizes based on branch circuit ratings. This information is critical for ensuring that the circuits are not overloaded and can safely carry the intended load without risking heat buildup or potential fire hazards.

Table 210.24 in the NEC® outlines the minimum ampacity requirements for conductors that are part of branch circuits, specifically providing the necessary wire sizes based on different circuit ratings. This ensures compliance with safety standards and effective system performance in electrical installations.

The other tables referenced do cover various aspects of electrical wiring and circuits but do not specifically provide the minimum wire sizes based on branch circuit ratings, which is the primary focus of this question. Knowing which table corresponds to which guideline is essential for adhering to code requirements in electrical work. Understanding the content of these tables aids electricians in making the right decisions for safe and efficient electrical installations.