Rising Edge Services, LLC

Minimum Conductor Ampacity and Size Calculator

This calculator is based on NEC Table 310.15(B)(16).
Refer to NEC Articles 110.14(C), 210.19(A)(1), 430.22, Ch. 9 Table 8, etc. for more information.

Inputs for calculating Minimum Conductor Ampacity and Size, MCA:

Continuous Load, in Amperes, "CL"
Non-Continuous Load, in Amperes, "NCL"
Number of Current Carrying Conductors in the Raceway, COND
Ambient Temperature, TEMP

Optional Inputs: Used for Voltage Drop and Wire Size Correction for Long Cable Runs

Voltage, "E"
Circuit Length in Feet, ONE WAY, "D"
Max Percent VD, Max % VD
Select Three Phase or Single Phase, PH