From IEC table (buried, XLPE copper, 90°C), 16 mm² → 94A > 82.6A → try 16 mm².
How is the cable installed?
Cable sizing is a fundamental process in electrical engineering that ensures the safe, efficient, and reliable operation of power systems. Selecting the correct cable cross-sectional area prevents overheating, reduces voltage drops, minimizes power losses, and ensures proper operation of protective devices. Incorrect cable sizing can lead to insulation failure, fire hazards, equipment malfunction, and violation of electrical codes (e.g., NEC, IEC, BS 7671).
Where:
| Tool | Features | |------|----------| | | Full electrical engineering suite | | DIALux | Lighting + basic cable sizing | | Voltage Drop Calculator (various apps) | Quick checks | | Excel sheets | Customizable with tables | | Cyme / Caneco | Professional industrial sizing |
[ V_d% = \fracV_dV_rated \times 100 ]