⚡ Wire Wizard Calculator
Professional wire sizing calculator for electrical systems. Ensure safe, efficient, and code-compliant conductor selection.
System Parameters
Motor Load (MCA Rule)
Apply 125% factor for motors
Safety Margin (+10%)
Add 10% extra conductor area
Calculation Results
AWG 12
Recommended Wire Size
4.0 mm² • 2.1% voltage drop • 234.8V at load
Required Area
3.2 mm²
Selected Area
4.0 mm²
Voltage Drop
5.2V (2.1%)
Voltage at Load
234.8V
Safety Checks
Ampacity Check
✓ PASS
Voltage Drop Check
✓ PASS
AWG Reference Table
| AWG | Area (mm²) | 60°C (A) | 75°C (A) | 90°C (A) |
|---|
Ampacity ratings for copper conductors in raceway or cable (30°C ambient).
Consult NEC Table 310.15(B)(16) for complete specifications.