Where can the cross-sectional area in circular mils be found when performing voltage-drop calculations?

The cross-sectional area in circular mils is specifically referenced in Chapter 9, Table 8 of the National Electrical Code (NEC) or related textbooks dealing with electrical calculations and concepts. This table provides engineers and technicians with the necessary information to determine the ampacity of conductors, which directly affects voltage drop calculations.

Understanding cross-sectional area is crucial because it influences the amount of current a conductor can safely carry without overheating. In voltage-drop calculations, knowing the cross-sectional area in circular mils allows one to accurately assess how much voltage will drop over a certain distance for given current loads. By referencing Table 8, individuals can effectively compare different wire sizes and their resulting properties in regards to voltage drop, ensuring compliance with safety standards and system efficiency.

Other chapters may contain related information, but Chapter 9, Table 8 is where the relevant data for cross-sectional areas in this context is compiled for easy access during calculations.