Calculated Industries ElectriCalc LT User Manual page 28

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.
Steps Keystrokes
Clear calculator [On/C] [On/C]
Set to 1-phase [Set] 1
Set to 90°C [Set] 9
Set to alum. [CU/AL]
Enter volt-amps 47700 [VA]
Enter volts 240 [Volts]
Find amps [Amps]
Find wire size [WireSz]
What is the adjusted wire size, if the
ambient temperature rating is changed
from the default 30°C to 40°C?
Change ambient
temperature 40 [Set] [2]
Find adjusted
wire size [WireSz]
NOTE: Ambient temperature will remain at 40°C
unless you change it or perform an ALL CLEAR
([Set] [x]).
Reset amb. temp 30 [Set] [2]
26 — ElectriCalc LT
Display
0.
1 PH
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
Û&
AMB° 40
250 AL
AWG WIRE SIZE
Û&
AMB° 30