Calculated Industries ElectriCalc Pro 5060 User Manual page 40

Wire Sizing Based
on Ambient Temperature
Find the 90°C aluminum wire size
needed to connect a 47,700 volt-amp
load to a 240 volt, single-phase source.
What is the adjusted wire size, if the
ambient temperature rating is changed
from the default 30°C to 40°C?
Steps
Clear calculator
Set to 1-phase
Set to 90°C
Set toAl
Enter VA
Enter volts
Find amps
Find wire size
Change ambient
temperature
Find adjusted
wire size
Reset amb. temp
*NOTE: Ambient temperature will re-
main at 40°C unless you change it or
perform an ALL CLEAR ([Set] [x]).
38 — ElectriCalc Pro
Keystrokes
[On/C] [On/C]
[Set] [1]
[Set] [9]
[Set] [4]
47700 [VA]
240 [Volts]
[Amps]
[WireSz]
40 [Set] [2]
[WireSz]
30 [Set] [2]
Display
1 Ø 90 Cu 1 PH
1 Ø 90 Al 1 PH
47,700. VA
240. VOLT
198.75 AMPS
0000 AL
AWG WIRE SIZE
AMB° 40.˚C
250 AL
AWG WIRE SIZE
AMB° 30.˚C
0.
1 PH