Calculated Industries 5060 - Manual (Page 42)

40 — ElectriCalc Pro
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 Keystrokes Display
Clear calculator
o o
0.
Set to 1-phase
S 1
1 PH
Set to 90°C
S 9
1 Ø 90 Cu 1 PH
Set to Al
S 4
1 Ø 90 Al 1 PH
Enter VA
47700V VA 47,700.
Enter volts
240 U
VOLT 240.
Find amps
A
AMPS 198.75
Find wire size
w
AWG 0000 AL
WIRE SIZE
Change ambient
temperature
40 S 2
AMB° 40.˚C
Find adjusted
wire size
w
AWG 250 AL
WIRE SIZE
Display Wire
w
250
209.3 AI
Amb WIRE A
Ampacity AI WIRE A
Display NEC Table
w
NEC 310.16
* NOTE: See “Settings” for a list of
Permanent Values/settings. Changing
these settings may affect your calculations.