Calculated Industries ElectriCalc Pro User Manual

32 — electricalc
®
Pro
Re-Sizing Wire Based on Different Insulation Ratings
What Wire Size is required for a 3Ø, 75°C Copper branch
circuit carrying a load of 260 Amps? What would the Wire Size
be if 90°C Copper is used?
KEYSTROKE DISPLAY
 0.
1. Set to 3-Phase:
(3Ø) 3Ø 3 PH
2. Set to 75º C:
(75º) 3Ø 75 3 PH
3. Set to Copper (if necessary):
(Cu/Al) 3Ø 75 Cu 3 PH
4. Enter Amps:
 AMPS 260.
5. Find Wire Size:
 AWG 300 CU WIRE SIZE
6. Change to 90º C:
(90º) 3Ø 90 Cu AWG 0000 CU WIRE SIZE
Wire Sizing Based on Ambient Temperature
Find the 90°C Copper 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 20°C?
KEYSTROKE DISPLAY
 0.
1. Set to 1-Phase:
(1Ø) 1 Ø 1 PH

Calculated Industries ElectriCalc Pro Specifications

General

Type	Scientific
Cover	Yes
Form factor	Pocket
Control type	Buttons
Product color	Yellow
Digits	8 digits
Display type	LCD
Display tilting	No
Display size (HxV)	15.88 x 63.5 mm
Display number of lines	- lines
Display size (HxV) (imperial)	0.625 x 2.5 \
Storage media type	-
Battery type	CR2016
Power source	Battery
Battery voltage	3 V
Number of batteries supported	1

Weight and Dimensions

Depth	16 mm
Width	76 mm
Height	142 mm
Weight	127.5 g