National Electric Code Tables

Name Description NEC Description
Table 250.122 Grounding Conductor Size Minimum Size Equipment Grounding Conductors for Grounding Raceway and Equipment
Table 310.12 Single-Phase Service Conductor Size Single-Phase Dwelling Services and Feeders
Table 310.15(B)(1)
formerly Table 310.15(B)(2)(a)
Ambient Temperature Correction Factors Ambient Temperature Correction Factors Based on 30°C (86°F)
Table 310.15(C)(1)
formerly Table 310.15(B)(3)(a)
CCC Count Adjustment Factors Adjustment Factors for More Than Three Current-Carrying Conductors in a Raceway or Cable
Table 310.16
formerly Table 310.15(B)(16)
Conductor Ampacities Ampacities of Insulated Conductors with Not More Than Three Current-Carrying Conductors in Raceway, Cable, or Earth (Directly Buried)
Chapter 9 Table 1 Conduit Cross-Section Percentage for Conductors Percent of Cross Section of Conduit and Tubing for Conductors and Cables
Chapter 9 Table 4 Conduit Dimensions Dimensions and Percent Area of Conduit and Tubing
Chapter 9 Table 5 Conductor Dimensions Dimensions of Insulated Conductors and Fixture Wires