Manual

User's Guide — 25
Re-sizing Wire Based on
Different Insulation Ratings
What wire size is required for a 75°C
copper branch circuit carrying a load of
260 amps? What would the wire size be
if 90°C copper is used?
Steps
Keystrokes Display
Reset calculator [Set] [x] 0.
Set to 75°C [Set] 7 3Ø 75 Cu 0.
Enter amps 260 [Amps] 260. AMPS
Find wire size [WireSz] 300 CU
AWG WIRE SIZE
Change to 90 [Set] 9 0000 CU
AWG WIRE SIZE