Calculated Industries 5070-B User Guide - Manual (Page 17)

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Number of Wires — Used to enter or calculate
the Number of Wires in a raceway and calculate
cross-sectional Wire Area.
♦ First Press
Enters Number of Wires or calculates
maximum Number of Wires in Conduit.
♦ Second Press
Shows total cross-sectional area for all
entered Wires.
♦ Third Press
Shows total cross-sectional area of all entered
Wires of the selected Wire Insulation.

conduit Size — Used to find Conduit Sizes
based on the total area of the entered Wire
Types and Wire Sizes (up to 15 at one time). If
the quantity and Insulation Type have not been
entered, the calculator will assume 2 THHN Wires
for Single-Phase or 3 THHN Wires for Three-
Phase calculations.
♦ First Press
Enters or calculates Conduit Size.
Note: If a Wire Size has not been entered or
calculated, or an invalid Conduit Size is entered, the
calculator will display none.
♦ Second Press
Shows Total Number of Wires in the Conduit
for calculated Conduit Size. Shows the Conduit
internal Area for an entered Conduit.
Note: Third through fifth presses will only be
displayed for calculated Conduit Sizes.
(cont’d)