Calculated Industries ElectriCalc Pro - Finding Derated Wire Size

Pocket RefeRence Guide — 25
(cont’d)
6. Find Wire Size for two conductors:
 PAR 000 CU WIRE SIZE
7. Exit Free Air Mode and Clear:
 60 Cu 0.
Finding Derated Wire Size
A circuit was built with 60°C Copper
wire connecting a 47,650 VA load
to a 240 Volt, 3Ø source. Ambient
Temperature is 50°C. What is the
Derated Wire Size required if eight
current-carrying THHN wires are
installed in the raceway?
KEYSTROKE DISPLAY
 0.
1. Set to 3-Phase:
  (3Ø) 3Ø 3 PH
2. Set to 60º C:
(60º) 3Ø 60 3 PH
3. Set to Copper (if necessary):
(Cu/Al) 3Ø 60 Cu 3 PH
4. Enter Volt-Amps:
 VA 47,650.
5. Enter Volts:
 VOLT 240.
6. Find Amps:
 AMPS 114.62808.
KEYSTROKE DISPLAY