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Wire sizing based on Insulation Rating
Wiring is being installed in a 240 Volt, Single-Phase system rated at
30 kVA. What is the Wire Size needed if you use 60° C Copper wire?
KeysTRoKe
DIsPlay
0.
1. Set to 1-Phase:
(1Ø)
1 Ø
1 Ph
2. Set to 60º C:
(60º)
1 Ø 60
1 Ph
3. Set to Copper (if necessary):
(Cu/Al)
1 Ø 60 Cu
1 Ph
4. Enter kVA:
KVa 30.
5. Enter Volts:
VolT 240.
6. Find Amps:
aMPs 125.
7. Find Wire Size:
aWG 0
Cu
WIRe sIZe
8. Display Wire Ampacity:
Ø* 125.0
WIRe a
*
The Wire Size will be shown in the upper left area of the display when
displaying the Wire Ampacity rating.
9. Display CMIL:
CMIl 105,600.
WIRe
10. Display NEC Table:
neC 310.15.b.16
