Calculated Industries 5070-B Pocket Reference Guide - Manual (Page 24)

P
ocket
R
efeRence
G
uide
— 23
(cont’d)
3. Set to Copper (if necessary):
  (Cu/Al)
3Ø 75 Cu
3 Ph
4. Enter Amps:
    AMPS 265.
5. Find Wire Size:
 AWG 300 Cu
WIRE SIZE
6. Change to Aluminum:
  (Cu/Al) AWG 400 AL
WIRE SIZE
Sizing Parallel Conductors (Free air)
What size 60°C insulated Copper
Wire is required for a single conductor
carrying a 500 Amp load in a Free
Air environment (30°C Ambient
Temperature.)? What size for two
Parallel conductors?
KEYSTROKE DISPLAY
  0.
1. Set to 60º C:
  (60º)
60
0.
2. Set to Copper (if necessary):
  (Cu/Al)
60 Cu
0.
3. Set to Free Air mode:
  (FrAir)
60 Cu FrAir
0.
4. Enter Amps:
    AMPS 500.
5. Find Wire Size for one conductor:
 AWG 500 Cu
WIRE SIZE