Conduit Sizing Calculator


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Total Conductor Area

Conduit Size

Total Conduit Area

Total Conduit Fill

NEC Table Used To Select Conductor Area
NEC Chapter 9 Table 5 is used to calculate the total area of conductors.
NEC Table Used To Calculate Conduit Size
NEC Chapter 9 Table 4 is used to calculate conduit size, through dimensions and percent area of chosen conduit, using the total calculated conductor area.