Calculated Industries 5025 - Manual (Page 28)

26 — ElectriCalc LT
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 Display
Clear calculator [On/C] [On/C] 0.
Set to 1-phase [Set] 1 1 PH
Set to 90°C [Set] 9 1 Ø 90 Cu 1 PH
Set to alum. [CU/AL] 1 Ø 90 Al 1 PH
Enter volt-amps 47700 [VA] 47,700. VA
Enter volts 240 [Volts] 240. VOLT
Find amps [Amps] 198.75 AMPS
Find wire size [WireSz] 0000 AL
AWG WIRE SIZE
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] AMB° 40
Û&
Find adjusted
wire size
[WireSz] 250 AL
AWG WIRE SIZE
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] AMB° 30
Û&