Calculated Industries 5065 - Manual (Page 42)

User’s Guide — 37
Wire Sizing Based on
Material Type
Find the wire size for a 75°C copper
wire carrying a 3Ø load of 265 Amps.
What is the equivalent aluminum wire
size?
Steps Keystrokes Display
Clear calculator
o o
0.
Set to 3-phase
S 3
3 PH
Set to 75°C
S 7
3Ø 75 Cu 3 PH
Enter Amps
2 6 5 A
AMPS 265.
Find wire size
w
AWG 300 CU
WIRE SIZE
Change to alum.
S 4
AWG 400 AL
WIRE SIZE
Display Wire
w
400 270.0
Ampacity AI WIRE A
Display CMIL
w CMIL 400,000 WIRE
Display NEC Table
w
NEC 310.16
Reset to copper
S 4 o 3Ø 75 Cu 0.
and Clear
NOTE: See “Settings” on page 62 for a
list of Permanent Values/settings.
Changing these settings may affect your
calculations.